Our Professionals

National Experts

SCS professionals are active in, and leaders of industry and professional associations. We organize and participate in workshops and conferences, author and present technical papers, conduct research, and participate in national and state-level legislative and rule-making processes and regulatory policy. Our engineers, environmental consultants, and scientists work in close coordination on environmental solutions.

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Leadership

Jim Walsh, PE, BCEE, is the President and CEO of SCS Engineers, and one of our National Experts on Elevated Temperature Landfills. He has worked at the forefront of sustainable solid waste management, sanitary landfills, and landfill gas (LFG) for more than 40 years. Mr. Walsh regularly serves as a Project Director and Reviewing Principal for SCS landfill and LFG projects. His project experience, coupled with his involvement in professional and industrial associations, has earned Mr. Walsh an international reputation in these specialty fields. He has authored numerous publications and technical support documents and presents regularly at environmental conferences.

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    • Jim Walsh, PE, BCEE, is the President and CEO of SCS Engineers, and one of our National Experts on Elevated Temperature Landfills. He has worked at the forefront of sustainable solid waste management, sanitary landfills, and landfill gas (LFG) for more than 40 years. Mr. Walsh regularly serves as a Project Director and Reviewing Principal for SCS landfill and LFG projects. His project experience, coupled with his involvement in professional and industrial associations, has earned Mr. Walsh an international reputation in these specialty fields. He has authored numerous publications and technical support documents and presents regularly at environmental conferences.
      Practice Areas Have Included:
      Leadership in Landfill Engineering. Over 40 years of professional experience on landfill projects. He served as Project Manager and primary author of the U.S. EPA landfill manual. He served as Project Manager and Chief Investigator on several U.S. EPA landfill R&D efforts relating to leachate, gas, and liner/cap performance. He has been engaged on over 100 landfill design and permitting projects, including sites with double composite liner systems. He has managed or directed several successful greenfield and landfill expansion permits with individual design capacities in excess of 25 million tons of solid waste.
      Leadership in Landfill Gas. Over 40 years of professional experience on landfill gas (LFG) projects. Past Director of the leading LFG professional organization, the SWANA Landfill Gas Division. Received top award in landfill gas practice, the SWANA Landfill Gas Distinguished Service Award in 1997. He has served as Principal Investigator multiple landfill gas R&D projects for U.S. EPA, U.S. DOE, and Gas Research Institute. He has authored numerous publications and technical support documents in LFG. He has presented dozens of times on LFG at environmental conferences. He has been engaged as chief design engineer, Principal Investigator, or Project Manager on over 300 landfill gas projects over the years. Landfill gas related subjects have included gas migration and control, energy recovery, odor management, and compliance with air and solid waste rules including CAA, NSPS, Title V, NSR, PSD, NESHAP, and Subtitle D.
      Leadership on Landfill Fire and Elevated Temperature Landfills. Principal investigator or chief engineer on over thirty dedicated landfill fire and elevated temperature landfill projects. He has provided guidance to landfill operators to avoid landfill fires. He has investigated landfill fires in-situ, and developed management and mitigation programs to address landfill fires and related events when they do occur. He has presented at environmental conferences on the subject of landfill fires. He served on the Ohio EPA Committee formed to address landfill fires and elevated temperature landfills in the state, and assisted in the development of the Ohio EPA Guidance Document on the subject.
      Contact Jim at 513-421-5353 or

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Mr. Carrico is a Senior Vice President and one of our National Experts on Liquids Management. He has over 35 years of experience with SCS Field Services (a division of SCS Engineers) in the operation, maintenance, and monitoring (OM&M) of landfill gas (LFG) management systems. This experience has ranged from hands-on, technical fieldwork to management of field teams performing routine and non-routine LFG system operations and maintenance. Mr. Carrico is also the Assistant Director of our OM&M Division.

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    • Mr. Carrico is a Senior Vice President and one of our National Experts on Liquids Management. He has over 35 years of experience with SCS Field Services (a division of SCS Engineers) in the operation, maintenance, and monitoring (OM&M) of landfill gas (LFG) management systems. This experience has ranged from hands-on, technical fieldwork to management of field teams performing routine and non-routine LFG system operations and maintenance. Mr. Carrico has written and prepared site-specific O&M manuals, site assessment and investigation reports, and routine project status reports. Mr. Carrico is also the Assistant Director of our OM&M Division.
      As the Assistant Office Director for SCS Field Services’ Operation, Monitoring and Maintenance Business Unit, Mr. Carrico provides leadership and management of the Business Unit’s Eastern United States operations, including some 100 employees working on over 250 projects. These projects represent a variety of different LFG control and recovery systems for both regulatory compliance and energy use, including vertical and horizontal gas extraction, air injection, open and enclosed flaring systems, electronic gas detection systems, and remote LFG data collection. Mr. Carrico’s experience provides SCS-FS with a practical, hands-on management capability for a wide range of projects.
      His past projects include the Medley Landfill in Medley, FL; the Old Dominion and King and Queen Landfills near Richmond, VA; the East Carolina Landfill in Aulander, NC; the Prince William County Landfill near Manassas, VA; the Brunswick Landfill in Lawrenceville, VA; and the Stafford County Landfill in Stafford, VA. These projects represent a variety of different LFG control and recovery systems for both regulatory compliance and energy use, including vertical and horizontal gas extraction, air injection, open and enclosed flaring systems, electronic gas detection systems, and remote LFG data collection. Mr. Carrico’s experience provides SCS-FS with a practical, hands-on management capability for a wide range of projects.
      Concurrent with project management responsibilities, Mr. Carrico helped develop SCSeTools® for compiling, reporting, and using collected data for operations and investment. Other relevant experience has included conducting LFG training seminars for employees and clients, and participation as an instructor and presenter in LFG industry seminars and symposiums.
      Contact Pete at 571-353-2034 or

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Mr. Carrillo is the Director of SCS’s Remote Monitoring and Control (RMC) systems and is SCS’s National Expert on RMC. He has nearly 20 years of experience in groundwater control and monitoring systems (GWCMS), water supply systems (WSS), solid waste and landfill gas (LFG) management, including remote monitoring, Supervisory Control and Data Acquisition (SCADA), control systems, and the operation and maintenance (O&M) of LFG collection and treatment systems (LFGCCSs).

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    • Mr. Carrillo is the Director of SCS’s Remote Monitoring and Control (RMC) systems and is SCS’s National Expert on RMC. He has nearly 20 years of experience in groundwater control and monitoring systems (GWCMS), water supply systems (WSS), solid waste and landfill gas (LFG) management, including remote monitoring, Supervisory Control and Data Acquisition (SCADA), control systems, and the operation and maintenance (O&M) of LFG collection and treatment systems (LFGCCSs).
      Mr. Carrillo has managed all aspects of LFGCCSs, including wellfields and flares, and LFG-to-energy (LFGE) controls, design, O&M, and construction management. His unique combination of field operations management experience and control systems technical expertise adds tremendous value to any SCS team assigned to an OM&M project.
      Mr. Carrillo has designed over 110 remote monitoring and SCADA systems that had comprehensive control logic (Programmable Logic Controllers [PLCs]) and Human Machine Interface (HMI) capabilities. He understands the complex issues that must be addressed to optimize LFG system performance and to maintain regulatory compliance. He has performed, installed, and repaired LFG control systems, and has been responsible for implementing upgrades to computer and communication systems vital to compliance management. This has included troubleshooting system components, coordinating with field technical personnel, interfacing with vendors and landfill operations personnel, ordering materials and equipment, and overseeing LFGCCS repairs and upgrades.
      Contact Phil at 562-356-1058 or

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Mr. Cooke, PE, CEM, MBA, is a Vice President and our expert on Industrial Waste Pretreatment. He has nearly three decades of professional and project management experience in engineering with a concentration in environmental and energy engineering. Mr. Cooke works within SCS’s Liquids Management initiative to provide services to our clients nationwide.

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    • Mr. Cooke, PE, CEM, MBA, is a Vice President and our expert on Industrial Waste Pretreatment. He has nearly three decades of professional and project management experience in engineering with a concentration in environmental and energy engineering. Mr. Cooke works within SCS’s Liquids Management initiative to provide services to our clients nationwide.
      Mr. Cooke’s background as a long-time business owner adds to his perspective of emphasis on client profitability and proactive project communications.
      Mr. Cooke is a licensed professional engineer in Wisconsin, Illinois, Indiana and Colorado. He earned a bachelor of science in chemical engineering, a master’s of business administration and is a Certified Energy Manager through the Association of Energy Engineers.
      Practice Areas
      Mr. Cooke’s primary areas of technical expertise include liquids management, building and industrial facility energy management, regulatory compliance and energy management, retro-commissioning, environmental assessments and audits, energy engineering, process/design engineering, site investigation and remediation, water and wastewater treatment, aboveground and underground storage tanks, and spill prevention, control, and countermeasures.
      Mr. Cooke has managed over 1,000 projects in 31 states with many industrial, manufacturing, government agency, and corporate clients.
      Contact Sam at 608-216-7382 or

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Ms. Demers, a LEED® Accredited Professional, is SCS’s National Expert on Solid Waste Composition studies. She has 27 years of experience in the environmental field, specializing in solid waste and energy.

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    • Ms. Demers, a LEED® Accredited Professional, is SCS’s National Expert on Solid Waste Composition Studies. She has 27 years of experience in the environmental field, specializing in solid waste and energy.
      Ms. Demers provides strong technical and analytical skills in planning, statistics, sample design for environmental programs, and modeling. Projects include program assessments, data analyses, database management, sampling protocols and associated field sampling specific to sustainability metrics. She is also the director of the Sustainable Materials Management Technical Division of the Solid Waste Association of North America.
      Contact Stacey at 571-353-2006 or

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Mr. Douglas is SCS Engineers National Expert on Industrial Hygiene, and a Senior Technical Advisor specializing in Occupational Health and Safety issues. He is a Certified Industrial Hygienist (CIH), a Certified Safety Professional (CSP), a Professional Geologist (PG) in California, Oregon, Washington, and Arizona, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). He has 30 years of experience as a health and safety specialist and project manager, and has managed numerous environmental projects involving: safety; soil and groundwater investigations and remediation of hazardous constituents; and, indoor air quality (IAQ) assessments for physical, chemical, and biological contaminants.

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    • Mr. Douglas is SCS Engineers National Expert on Industrial Hygiene, and a Senior Technical Advisor specializing in Occupational Health and Safety issues. He is a Certified Industrial Hygienist (CIH), a Certified Safety Professional (CSP), a Professional Geologist (PG) in California, Oregon, Washington, and Arizona, and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP). He has 30 years of experience as a health and safety specialist and project manager, and has managed numerous environmental projects involving: safety; soil and groundwater investigations and remediation of hazardous constituents; and, indoor air quality (IAQ) assessments for physical, chemical, and biological contaminants.
      Mr. Douglas has directed, managed, and performed every aspect of various projects, including: industrial hygiene; safety training; IAQ investigations; Leadership in Energy and Environmental Design certification for new construction and renovation; construction management; mold investigations and remediation; asbestos and lead investigations and remediation; chemical and heavy metal investigations and remediation, including underground storage tanks; and, data presentation, interpretation, and reporting. He has taught technical writing for engineering students at Humboldt State University, and has many years of experience in: preparing proposals, cost estimates, contracts and specifications; office and field safety; data collection and interpretation; field operations and sampling; vertical and horizontal drilling supervision; quality assurance and quality control (QA/QC); team leadership; and, staff training, mentoring, and supervision.
      Mr. Douglas has directed, managed, and performed every aspect of various projects, including safety training; IAQ investigations; Leadership in Energy and Environmental Design certification for new construction and renovation; construction management; mold investigations and remediation; asbestos and lead investigations and remediation; chemical and heavy metal investigations and remediation, including underground storage tanks; and, data presentation, interpretation, and reporting. He has taught technical writing for engineering students at Humboldt State University, and has many years of experience in preparing proposals, cost estimates, contracts and specifications; office and field safety; data collection and interpretation; field operations and sampling; vertical and horizontal drilling supervision; quality assurance and quality control (QA/QC); team leadership; and, staff training, mentoring, and supervision.

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Ms. Dzialowski is our National Expert on Brownfields Grants. She brings over a dozen years of experience to the SCS team, and specializes in brownfields redevelopment, environmental planning, NEPA compliance, natural resource studies and environmental site assessments. As an urban planner with environmental and land use planning expertise, Amy understands the many challenges of environmental compliance and urban redevelopment projects. She works closely with public and private clients to provide advisory services, public engagement, environmental strategies, and risk protection.

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    • Ms. Dzialowski is our National Expert on Brownfields Grants. She brings over a dozen years of experience to the SCS team, and specializes in brownfields redevelopment, environmental planning, NEPA compliance, natural resource studies and environmental site assessments. As an urban planner with environmental and land use planning expertise, Ms. Dzialowski understands the many challenges of environmental compliance and urban redevelopment projects. She works closely with public and private clients to provide advisory services, public engagement, environmental strategies, and risk protection.
      Ms. Dzialowski has directed and provided assistance for many public meetings, forums and stakeholder events. She has also served as the steering committee contact and liaison for several large transportation corridor projects involving multiple jurisdictions and lead agencies. Her experience and commitment to brownfields redevelopment goes beyond the technical to include the identification of funding opportunities, grant application preparation, and grant administration; public outreach, agency coordination and partnership development.
      Contact Amy at 405-264-3624 or

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Mr. Eady is a Vice President, Project Director, and land-use planner for SCS Engineers where he provides both technical and managerial support for various environmental, regulatory and land use projects. He is also SCS’s National Oil and Gas Expert.

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    • Mr. Eady is a Vice President, Project Director, and land-use planner for SCS Engineers where he provides both technical and managerial support for various environmental, regulatory and land use projects. He is also SCS’s National Oil and Gas Expert. He has nearly 15 years of experience in land-use planning and regulatory compliance. He currently leads SCS Tracer’s Central Coast Compliance environmental services group, overseeing offices in Santa Maria and Bakersfield, California.
      Mr. Eady’s previous professional experience includes employment as a Senior Land Use Planner for the County of Santa Barbara and an Associate City Planner for the City of San Diego. During his employment as a land-use planner, Mr. Eady reviewed development projects for compliance with zoning regulations and environmental law and developed new general plan documents and zoning ordinances for local jurisdictions. In this capacity, he reviewed various development projects, including oil production facilities, for compliance with applicable County codes and completed CEQA review, staff reports, and the public hearing process. This work included coordination with numerous local, state, and federal agencies such as the US Fish and Wildlife Service, Department of Fish and Game, US Army Corps of Engineers, CalTrans, Santa Barbara APCD, Santa Barbara Association of Governments, California Department of Forestry and Fire Protection, California Geologic Survey and the California Department of Housing and Community Development.
      Practice Areas
      Mr. Eady is currently leading the effort to restore and expand production for many of California’s most active oilfields. As part of this process, Mr. Eady is managing the development of several complex land-use permitting and conservation strategies for Santa Barbara County’s major onshore petroleum operators.
      In addition to these land-use permitting services, Mr. Eady also oversees the ongoing environmental compliance efforts for over 20,000 acres of oilfield facilities in northern Santa Barbara County. This includes the routine mapping, inspection and environmental assessment of active, idle and abandoned petroleum facilities.
      Contact Nathan at 805-346-6591 or

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Robert Gardner
Senior Vice President/National Expert on Solid Waste Collection and Routing and on Solid Waste Finance and Rate Studies
O. (757) 466-3361

Mr. Gardner is a Senior Vice President and leads SCS’s nationwide solid waste management practice, including landfill engineering, landfill gas management, solid waste studies, landfill environmental systems, liquids management, operation and maintenance, and construction. He works closely with SCS’s national and regional clients. Mr. Gardner is also our National Expert on Solid Waste Collection and Routing.

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    • Mr. Gardner is a Senior Vice President and leads SCS’s nationwide solid waste management practice, including landfill engineering, landfill gas management, solid waste studies, landfill environmental systems, liquids management, operation and maintenance, and construction. He works closely with SCS’s national and regional clients. Mr. Gardner is also our National Expert on Solid Waste Collection and Routing.
      Practice Areas
      Since joining SCS in 1980, Mr. Gardner has completed solid waste, hazardous waste, environmental assessment, facility design, compliance audit and other environmental study projects for municipal and private clients. Projects typically have involved feasibility studies, due diligence investigations, facility siting, site investigations, environmental studies, permitting, design and construction services.
      Facilities have included landfills, landfill gas control facilities, material recovery facilities, transfer stations, wastewater treatment plants, and support facilities (e.g., roadways, buildings, stormwater, utilities). Other projects have included waste composition studies, rate studies, compliance audits, site assessments, and preparation of various procurement documents.
      Mr. Gardner has participated in or directed numerous environmental site assessments, contamination assessments, remedial action plans and remedial construction projects throughout the United States. Project sites have included fuel storage facilities, vehicle maintenance facilities, truck stops, chemical processing plants, active and closed landfill sites, abandoned chemical disposal sites, and superfund sites. Chemical contamination encountered in both soil and groundwater media has included petroleum, heavy metals, dioxin, pesticides, heavy metals, PCBs, and solvents.
      Contact Bob at 757-466-3361 or

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Mr. McLaughlin, PE, is SCS Engineers’ Senior Vice President of Environmental Services and our National Specialist on Brownfields & Landfill Redevelopment and Electric Utilities. He is a licensed engineer and attorney with over 30 years of professional experience providing advice on environmental matters. He is an expert on environmental compliance, remediation, and allocation of response costs.

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    • Mike McLaughlin, PE, is SCS Engineers’ Senior Vice President of Environmental Services and our National Specialist on Brownfields & Landfill Redevelopment and Electric Utilities. He is a licensed engineer and attorney with over 30 years of professional experience providing advice on environmental matters. He is an expert on environmental compliance, remediation, and allocation of response costs.
      Mr. McLaughlin advises developers, contractors, lenders and land development professionals on the technical and regulatory requirements for construction on Brownfields sites nationwide. His combined engineering and legal background provides an unusual perspective on land development where hazardous wastes or other environmental challenges are present. Redevelopment of closed landfills is an area of special interest; he worked on his first such project in 1976.
      In addition to his extensive Brownfields redevelopment experience in North America, Mr. McLaughlin has worked at some three dozen Superfund National Priorities List sites in 17 states, and on scores of regulatory compliance, voluntary cleanup, and remediation projects for commercial, industrial, municipal, and military clients. He is also well-versed in liquids management.
      He is a licensed professional engineer in Virginia and New Mexico, a member of the Virginia Bar, and active in the American Bar Association (Section of Environment, Energy and Resources and Waste Management Committee), the Virginia State Bar Environmental Law Section, and the Urban Land Institute.
      Contact Mike at 571-353-2002 or

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Mr. Sullivan, BCES, CPP, REPA, is a Senior Vice President of SCS Engineers and Business Unit Director of the Southwest Region. He is also our National Expert on the Landfill Clean Air Act and the New Source Performance Standard (NSPS). Mr. Sullivan has over 25 years of environmental engineering experience, specializing in solid waste-related issues.

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    • Mr. Sullivan, BCES, CPP, REPA, is a Senior Vice President of SCS Engineers and Business Unit Director of the Southwest Region. He is also our National Expert on the Landfill Clean Air Act and the New Source Performance Standard (NSPS).
      Mr. Sullivan has over 25 years of experience in the area of environmental engineering, specializing in solid waste management and other environmental issues. He is the Managing Director of SCS Engineers (SCS) consulting and engineering operations within the Southwestern United States, the largest of all of SCS’s engineering business units. He also serves as the Practice Leader for SCS’s Solid Waste Practice in the same region. Mr. Sullivan is the National Expert for SCS’s companywide Air Quality program. He also oversees SCS’s company-wide GHG and Risk Assessment programs and is one of the national experts on risk assessment and toxic exposure issues for solid waste facilities.Mr. Sullivan is a company Senior Vice President and Member of the Company’s Management Advisory Committee.
      He has worked closely with regulatory agencies on the federal, state and local level. His expertise has been developed managing large-scale contracts, programs, and projects on a state and national level. His management experience includes managing professional and field staff and all aspects of operational performance, customer service, and project management. He has an extensive knowledge of regulatory permitting and compliance. His Real Estate training has been pivotal in large scale property acquisitions, divestitures, and development in the oil and gas and renewable energy sectors.
      Mr. Sullivan is also Principal-in-Charge for projects related to solid waste facility investigation and risk assessment, redevelopment, LFG engineering, air quality permitting and compliance, GHG emissions, and groundwater investigations at solid waste and other industrial facilities, as well as related engineering services. He has published and/or presented over 100 technical papers in industry journals, publications, conferences, seminar, and workshops.
      Contact Pat at 916-361-1297 or

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Mr. Hatho is a Senior Vice President of SCS Engineers, our Technology Officer/Chief Information Officer, and our National Expert on Technology Services. He is responsible for developing new technologies that collect, monitor and control systems in the field.

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    • Mr. Hatho is a Senior Vice President of SCS Engineers, our Technology Officer/Chief Information Officer, and our National Expert on Technology Services. He is responsible for developing new technologies that collect, monitor and control systems in the field. He has employed new hardware and software not previously utilized in the environmental engineering field. These new technologies help to reduce the costs of running and operating engineering projects, and are now sold as a product to clients. This helped launch a product development organization at SCS known as SCS eTools.
      Jay has leveraged hardware, software, and wireless technology to streamline the operations, maintenance, and monitoring of data that is collected at landfills. Landfills and landfill gas in particular, along with other industries must comply with government regulations. Collecting, storing and analyzing compliance data is expensive because traditionally it was time consuming and sometimes dangerous to collect. SCS Technology developed a secure and user-friendly web-based application to identify, collect, track, and report in real-time the data required to meet compliance regulations. The components work wirelessly and are built to last even under extreme weather conditions.
      Mr. Hatho also oversees the modernization and standardization of SCS’s IT organization to support the company’s growth. He is responsible for deploying modern technologies to help improve communication throughout the company and for leading the development of software products both internally and for clients.
      Prior to joining SCS, Mr. Hatho developed technology platforms and infrastructure for a major online brokerage firm, and served as the director of engineering for a major computer manufacturer. He started large organizations overseas and locally that improved business and helped increase revenues for several companies, and managed multi-million dollar engineering budgets while maintaining strict fiscal controls and disciplines.
      Contact Jay at 562-426-9544 or

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Mr. Hamilton is a Senior Vice President and our National Expert on Landfill Gas and Biogas to Energy. He is the Director of our SCS Energy Business Unit, which designs, builds, and operates biogas — primarily landfill gas (LFG) and digester-gas-to-energy projects.

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    • Mr. Hamilton is a Senior Vice President and our National Expert on Landfill Gas and Biogas to Energy. He is the Director of our SCS Energy Business Unit, which designs, builds, and operates biogas — primarily landfill gas (LFG) and digester-gas-to-energy projects.
      SCS Energy has performed dozens of design and design/build biogas-to-energy projects and currently operates/maintains biogas-to-energy projects nationwide. The biogas end-uses include electric power generation (reciprocating internal combustion engines, turbines, microturbines, and fuel cells), direct-use of biogas in lieu of natural gas at industrial, utility, and institutional facilities, production of high-BTU biogas for injection into natural gas pipelines, and production of biogas-derived compressed natural gas (CNG) for use as vehicle fuel.
      Mr. Hamilton has over 30 years of environmental project experience, ranging from hands-on participation in field and design work to direction of solid waste management projects. This work has involved over 700 projects on more than 350 sites throughout the United States and abroad. His project responsibilities have included solid waste planning; solid waste privatization; landfill siting, design and operations, and closure permits and plans; landfill contamination assessments and remedial actions; landfill leachate monitoring and treatment system design; landfill groundwater and LFG monitoring programs; landfill Clean Air Act (CAA) permitting and compliance; LFG Clean Development Mechanism (CDM) projects, digester gas and LFGE recovery feasibility due-diligence, studies, and investigations; testing, designing, installing and operating digester gas and LFGE facilities, and LFG migration and emission control systems.
      Mr. Hamilton is a Past Director of SWANA’s Landfill Gas and Biogas Division, and he Chaired SWANA’s Landfill Gas Training Program for over 10 years. He has extensive experience in providing solid waste training and education at numerous venues in the United States and abroad.
      Contact Steve at 707-695-8543 or

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Mr. Hamm is a Vice President and our National Expert leader for Liquids Management. He has over 20 years of environmental engineering consulting experience. Throughout his career he has worked on projects for a variety of industries including solid waste management, alternative energy, power generation, meat processing, and agricultural production. His core technical expertise is industrial wastewater and landfill leachate treatment, solid waste landfill design and construction, and civil site development. Mr. Hamm is a licensed professional engineer in Iowa, Kansas, Missouri, Montana, North Dakota, Oklahoma, and Texas.

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    • Mr. Hamm is a Vice President and our National Expert leader for Liquids Management. He has over 20 years of environmental engineering consulting experience. His core technical expertise is industrial wastewater and landfill leachate treatment, solid waste landfill design and construction, and civil site development. He is responsible for managing complex projects, maintaining client relationships, and providing technical guidance.
      Throughout his career he has worked on projects for a variety of industries including solid waste management, alternative energy, power generation, meat processing, and agricultural production. He has served in a variety of technical and management roles including project engineer, project manager, client manager, team leader, and office manager. He is adept at listening to client’s needs, understanding the underlying business and personal drivers, and developing solutions to their most challenging environmental problems.
      Contact Nathan at 913-749-0705 or

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Mr. Huber is a Vice President and a National Expert in Electric Utilities. He has nearly 30 years of consulting experience in civil and environmental engineering, and specializes in urban redevelopment projects with a technical expertise in brownfield redevelopment, civil site design, and stormwater management. He is a licensed Professional Engineer in Wisconsin and Iowa.

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    • Mr. Huber is a Vice President and a National Expert in Electric Utilities. He has nearly 30 years of consulting experience in civil and environmental engineering, and specializes in urban redevelopment projects with a technical expertise in brownfield redevelopment, civil site design, and stormwater management. He is a licensed Professional Engineer in Wisconsin and Iowa.
      With a dual background in civil and environmental engineering, Mark is able to take urban redevelopment projects from initial site assessment through construction. Mark is adept at explaining complex issues in easy to understand language. His experience working on a variety of complex urban projects allows him to quickly identify key issues and develop smart, simple solutions that save clients time and money. Mark is an excellent communicator, which helps him bridge the gap between client goals and regulatory requirements. Mark is always excited about helping clients in creative ways with responsive customer service.
      Contact Mark at 608-216-7376 or

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Mr. Huff, SCS Vice President and National Expert on Greenhouse Gas, has 25 years of experience in environmental consulting. Mr. Huff specializes in landfill regulatory compliance; air quality/compliance issues, including GHG emissions quantification; and site assessment, remediation, and post-closure care.

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    • Mr. Huff, SCS Vice President and National Specialist on Greenhouse Gas, has 25 years of experience in environmental consulting. Mr. Huff specializes in landfill regulatory compliance; air quality/compliance issues, including GHG emissions quantification; and site assessment, remediation, and post-closure care. He is the landfill assessment and greenhouse gas (GHG) emissions quantification project lead within SCS’s offices throughout the western U.S., responsible for technical expertise on landfill regulatory compliance, post-closure development, and emissions quantification procedures.
      Mr. Huff is also the Closed Landfill project lead within SCS’s California offices, with project management and coordination responsibilities for closed and inactive landfill projects throughout the state, including landfill probe evaluation work for CalRecycle. He has also participated on the Landfill Gas Technical Advisory Group to CalRecycle.
      Mr. Huff’s compliance expertise has been deployed in a Project Manager and Task Manager capacity on a variety of landfill investigations and risk assessments, hazardous substance site investigations and risk assessments, site remediations, solid waste and hazardous waste management plans, and GHG/air regulatory compliance projects throughout California.
      Contact Ray at 562-426-9544 or

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Mr. Isenberg, PE, PG, is a Senior Vice President of SCS Engineers and our National Expert on Geotechnical, and Landfill Design and Construction Quality Assurance. He has over 40 years of consulting experience in geotechnical and civil engineering projects involving design, analysis, testing, permitting, construction, remediation and repair of solid waste facilities, retaining structures including dams, mine tailing basins, earthen embankments and reservoirs, buildings including power plants, commercial and residential housing and studies of soil and groundwater contamination.

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    • Mr. Isenberg, PE, PG, is a Senior Vice President of SCS Engineers and our National Expert on Geotechnical, and on Landfill Design and Construction Quality Assurance. He has over 40 years of consulting experience in geotechnical and civil engineering projects involving design, analysis, testing, permitting, construction, remediation and repair of solid waste facilities, retaining structures including dams, mine tailing basins, earthen embankments and reservoirs, buildings including power plants, commercial and residential housing and studies of soil and groundwater contamination. He possesses extensive experience with design of bottom liner and leachate collection systems, final covers, subsurface investigation, redevelopment and remediation of older municipal and private waste landfills, and studies of soil and groundwater contamination.
      Contact Bob at 571-353-2013 or

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Mr. Jernigan is a Senior Project Advisor and one of our National Experts for Liquids Management. He is responsible for providing advice and support across all SCS business lines. He is skilled at consensus building among a variety of interests and across scientific, technical, legal and regulatory disciplines while combining the fiscal discipline of budgets, cost control, and managed returns to produce optimal solutions. His expertise includes Regulatory compliance; Environmental Management Systems; RCRA Solid Waste; RCRA Hazardous Waste; Remedial investigations; Feasibility studies; Managed remediation; Brownfields; Superfund; and Regulatory and multi-party settlements.

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    • Mr. Jernigan is a Senior Project Advisor and one of our National Experts for Liquids Management. He is responsible for providing advice and support across all SCS business lines. He is skilled at consensus building among a variety of interests and across scientific, technical, legal and regulatory disciplines while combining the fiscal discipline of budgets, cost control, and managed returns to produce optimal solutions. His expertise includes Regulatory compliance; Environmental Management Systems; RCRA Solid Waste; RCRA Hazardous Waste; Remedial investigations; Feasibility studies; Managed remediation; Brownfields; Superfund; and Regulatory and multi-party settlements.
      Prior to joining SCS, Mr. Jernigan worked for waste management companies in leadership roles and successfully managing a national team servicing 1,200 operating locations to achieve, maintain and improve environmental performance. He has implemented programs, processes, and plans that resulted in year-over-year improvement in environmental performance, across the U.S. and Puerto Rico. Achievements included reduced impacts to the environment (in the disposal division); reduced impacts to communities; and reduced regulatory violations in all lines of the business.
      Contact Bruce at 281-989-6270 or

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Mr. Johnson is a Vice President of SCS Engineers and a National Expert on Brownfields and Landfill Redevelopment. . He is highly experienced in environmental affairs, having managed or been involved with over 1,000 site assessments, including Phase I ESAs, subsurface investigations of chemicals in the vadose and groundwater zones (Phase II), and site remediation, including selection of remedial alternatives for site cleanup. He also has been instrumental in obtaining environmental permits and interfacing with regulatory agencies. Mr. Johnson serves as a member of the San Diego RWQCB, and has managed or been involved with close to 75 site closures.

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    • Dan Johnson is a Vice President of SCS Engineers and a National Expert on Brownfields and Landfill Redevelopment. He is highly experienced in environmental affairs, having managed or been involved with over 1,000 site assessments, including Phase I ESAs, subsurface investigations of chemicals in the vadose and groundwater zones (Phase II), and site remediation, including selection of remedial alternatives for site cleanup. He also has been instrumental in obtaining environmental permits and interfacing with regulatory agencies. Mr. Johnson serves as a member of the San Diego RWQCB, and has managed or been involved with close to 75 site closures.
      Mr. Johnson is well acquainted with current practices regarding environmental assessments, and has spoken at or chaired numerous conferences on hazardous waste issues related to real estate transactions and Brownfields redevelopment. In addition, he has managed numerous site assessment and subsurface investigation projects, including soil boring and monitoring well programs as well as soil gas and geophysical surveys. He has also managed projects where soil vapor extraction (SVE) and bioremediation technologies were utilized for the remediation of the soil and groundwater.
      Contact Dan at 858-571-5500 or

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Mike Kalish, PE, LEED AP®, is a Vice President of SCS Engineers and our National Expert on Transfer Stations. He has been the Project Manager for several major transfer station renovations and expansions in Maryland and the District of Columbia and new transfer stations in Maryland and Virginia and has worked on a variety of engineering projects involving landfill gas (LFG), LFG-to-energy, landfill closure, and sub-slab mitigation design for brownfields remediation. He is a licensed Professional Engineer in Maryland and California and is a LEED Accredited Professional.

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    • Mike Kalish, PE, LEED AP®, is a Vice President of SCS Engineers and our National Expert on Transfer Stations. He has been the Project Manager for several major transfer station renovations and expansions in Maryland and the District of Columbia and new transfer stations in Maryland and Virginia. Mr. Kalish is a member of the Solid Waste Association of North America (SWANA), and an instructor for the SWANA Managing Transfer Stations course. He is a licensed professional engineer in Maryland and California and is a LEED Accredited Professional.
      Mr. Kalish has worked on a variety of engineering projects involving landfill gas (LFG), LFG-to-energy, landfill closure, and sub-slab mitigation design for brownfields remediation. Several recent LFG projects have also included the design and implementation of remote SCADA systems for use at flare stations, LFG beneficial use projects and carbon-credit projects.
      Contact Mike at 571-353-2014 or

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Ali Khatami, PhD, PE, LEP, CGC, is a Project Director and a Vice President of SCS Engineers. He is also our National Expert for Landfill Design, Construction Quality Assurance, and Elevated Temperature Landfills. He has over 40 years of research and professional experience in mechanical, structural, and civil engineering. He is a licensed Professional Engineer (PE) in Florida and a Florida Licensed Environmental Assessor (LEP). As a National Expert in Landfill Design and Construction Quality Assurance for SCS and an executive member of the corporate office in the area of solid waste management, Dr. Khatami works with various offices of SCS on complicated technical matters, provides advice to technical professionals, provides technical presentations at conferences, provides national webinars, publishes technical papers and blogs, and prepares technical training material for internal use by SCS’s professional staff.

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    • Ali Khatami, PhD, PE, LEP, CGC, is a Project Director and a Vice President of SCS Engineers. He is also our National Expert for Landfill Design, Construction Quality Assurance, and Elevated Temperature Landfills. He has over 40 years of research and professional experience in mechanical, structural, and civil engineering. Dr. Khatami has been involved for more than 30 years in the design and permitting of civil/solid waste/environmental projects such as, surface water management systems, drainage structures, municipal solid waste landfills, hazardous solid waste landfills, low level radioactive waste landfills, leachate and wastewater conveyance and treatment systems, gas management systems, hazardous waste impoundments, storage tank systems, waste tire processing facilities, composting facilities, material recovery facilities, landfill gas collection and disposal systems, leachate evaporator systems, and liquid impoundment floating covers.  Dr. Khatami has acquired extensive experience and knowledge in the areas of geology, hydrogeology, hydrology, hydraulics, construction methods, material science, construction quality assurance (CQA), and stability of earth systems.  Dr. Khatami has applied this experience in the siting of numerous landfills.
      Dr. Khatami has developed numerous concepts used in the design of various components of landfills and has coined terminologies for such concepts as Leachate Toe Drain System (LTDS); Rainwater Toe Drain System (RTDS); Gas Pressure Release System (GPRS) above Bottom Liner; Tiered Vertical Gas Wells (TVGW); Minimum Head Design (MHD) for Base Grades; and MHD-Herringbone Hybrid Design (Hybrid) for Base Grades.
      As a National Expert in Landfill Design, Elevated Temperature Landfills, and Construction Quality Assurance and an executive member in the area of solid waste management, Dr. Khatami works with various offices of SCS on complicated technical matters. He provides advice to technical professionals, makes technical presentations at conferences, conducts national webinars, publishes technical papers and blogs, and prepares technical training material for internal use by SCS’s professional staff.
      Dr. Khatami has been involved in the design, permitting, and construction of over 100 landfills in the United States, Europe, and Middle East.  He has has significant experience in the design and construction of landfill gas collection and gas disposal systems.  Dr. Khatami has designed numerous landfills with active and passive gas collection systems, permitted several leachate evaporator systems with beneficial reuse of the landfill gas.  As the engineer of record for these facilities, Dr. Khatami has managed construction of these systems following completion of permitting.  Dr. Khatami has been extensively involved in the preparation of Title V permit applications for utility and enclosed flare systems, solar flares, and gas collection systems.
      Dr. Khatami has provided expert services to clients facing structural failure issues at their facilities, to legal counsels representing plaintiffs, to developers defending their planned projects before administrative judges, and to clients during resolution meetings with regulatory agencies.
      Dr. Khatami has significant design and construction experience with low level radioactive landfills.  Dr. Khatami performed as the resident engineer for the closure of the first geosynthetic cover system at the low level radioactive landfill in Barnwell, South Carolina.  The cover system extended over trenches that had been filled for approximately 10 years, and contained waste grades A, B, and C.  Dr. Khatami also performed as the project engineer for the design of a landfill for radioactive contaminated materials generated from the decommissioning of the Fernald Uranium Processing Facility located in Cincinnati, Ohio.  The landfill was designed to perform for a 2,000-year period.  The cross sections of the landfill and storm-water conveyance ditches were designed based on natural shapes of landforms and streams formed over thousands of years to minimize soil erosion from the landfill cover due to wind, and storm-water ditches due to water.  The leachate collection system in the landfill was designed to minimize human involvement in the operation of the landfill over the next 2,000 years.  Extensive compatibility tests were performed to evaluate effect of radioactive isotopes on the integrity of the geosynthetics used in the landfill lining system.  The landfill cover system included components to prevent animals from burrowing over the 2,000 year period.  Dr. Khatami was also involved in the permitting process for accepting hazardous waste as part of a transuranic waste being accepted at the Waste Isolation Pilot Plant (WIPP) facility in Carlsbad, New Mexico.
      Dr. Khatami has also been involved in remediation of many hazardous waste contaminated sites. 
      Contact Dr. Khatami at 561-441-1473 or

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Mr. Kriel is SCS Engineers’ National Expert on Energy Management. He is a Project Manager with over seven years’ experience as a mechanical engineer. His project experience includes specializing in commissioning, retro-commissioning, energy modeling, renewable energy technology analysis, and geothermal design.

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    • Mr. Kriel is SCS Engineers’ National Expert on Energy Management. He is a Project Manager with over seven years’ experience as a mechanical engineer. His project experience includes specializing in commissioning, retro-commissioning, energy modeling, renewable energy technology analysis, and geothermal design. He has served as the Commissioning Agent on several projects and his expertise in building energy modeling includes the use of eQuest, Trane Trace, and TRNSYS. Additionally, Tony has taken an extended role in the design of numerous geothermal projects.

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Mr. Law is a Vice President of SCS Engineers and our National Geotechnical Expert. He has over three decades of engineering and management experience in geotechnical engineering, solid waste management, landfill engineering, construction quality assurance (CQA) services, and subsurface soil investigation/exploration programs (including embankment and MSE Wall evaluation). He is a licensed Professional Engineer in North Carolina, South Carolina, Virginia, Maryland, and Idaho. He belongs to several industry organizations, including ASCE, SWANA, USGBC, PENC, and is currently a Board Member of the International Solid Waste Association (ISWA).

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    • Mr. Law is a Vice President of SCS Engineers and our National Geotechnical Expert. He has over three decades of engineering and management experience in geotechnical engineering, solid waste management, landfill engineering, construction quality assurance (CQA) services, and subsurface soil investigation/exploration programs (including embankment and MSE Wall evaluation). He is a licensed Professional Engineer in North Carolina, South Carolina, Virginia, Maryland, and Idaho. He belongs to several industry organizations, including ASCE, SWANA, USGBC, PENC, and is currently a Board Member of the International Solid Waste Association (ISWA).
      Mr. Law is experienced in closure design, LFG blower and flare foundation design, geotechnical and geosynthetic/soil material testing and analysis, resident/construction engineering and construction quality assurance services, project scheduling and construction cost estimate, foundation bearing/settlement analysis and design, liquefaction analysis, static and seismic slope stability analyses using STABL program, seismic permanent displacement analysis, geosynthetic reinforced slope, embankment and pavement design, writing of geotechnical soil reports, and construction completion certification reports.
      Mr. Law’s solid waste management experience also includes landfill gas collection and utilization as alternate energy, LFG equipment procurement for overseas, material recovery facilities, solid waste transfer station facilities, aerobic bioreactor landfill remediation, bioreactor slope stability analysis, leachate recirculation evaluations in obtaining RD&D permit, and many other major permit amendments for alternate bottom liner (including final cover system) and leachate collection systems through performance equivalency demonstrations using HELP and MULTIMED modeling throughout US.
      In 2012, he served as a panel judge at the US EPA’s Peer Review Panel Meeting for Grants: People, Prosperity, and the Planet – P3 – Phase II Competition in Washington D.C. for projects related to solid waste management, recycling and reused of materials, and the alternate renewable green energy sources. For the last 3 years since 2013, he served as a judge for the AAEES 2013 Excellence in Environmental Engineering & Science Awards E3 Competition, for entries in Research, Planning, Design, and Operations/Management categories. Other paper/publication review experience includes publishing papers at national and international conferences, as well as serving as a paper reviewer for the Editorial Board of the International Solid Waste Association (ISWA) on regular basis.
      Contact James at 919-662-3015 or

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Michelle Leonard
Senior Vice President/Project Director/National Expert on Solid Waste Planning and Recycling
O. (626) 792-9593

Ms. Leonard is a Senior Vice President of SCS Engineers and our National Expert in Solid Waste Planning & Recycling and Sustainability. She has over 30 years of experience in environmental consulting and project management, with emphasis in Sustainable Materials Management, including solid waste management planning and facilities.

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    • Michelle Leonard is a Senior Vice President of SCS Engineers and our National Expert in Solid Waste Planning & Recycling and Sustainability. She has over 30 years of experience in sustainable materials management, including environmental consulting and project management with an emphasis on solid waste management planning and facilities. She has assisted public and private sector clients in the preparation of solid waste management plans; designed and implemented waste reduction, recycling, and reuse programs; and evaluated existing programs to identify opportunities to reduce, reuse, and recycle solid waste. Ms. Leonard has prepared plans and permits for transfer stations, material recovery facilities, and drop-off and buy-back centers. As part of these projects, she has completed environmental impact assessments, facility permit applications, odor and dust control plans, and other support documents. Ms. Leonard has a strong working knowledge of solid waste management regulations and practices, and has presented numerous successful projects to city, county, and state regulators.
      Ms. Leonard is a member of the Solid Waste Association of North America (SWANA), including International Board Immediate Past President; Past Director of SWANA’s Recycling and Special Waste Technical Division; and is on the Board of Directors of SWANA’s Southern California Founding Chapter (2009 to present). She is also a Past Director of the Southern California Waste Management Forum and Past President of the Women’s Environmental Council.
      Contact Michelle at 626-792-9593 or

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Mr. Markley is our National Expert for Deep Well and Underground Injection Control. He currently manages our Wichita office. His project experience includes engineering geology evaluations related to salt caverns, geologic isolation of fluids and compressed gasses, hydrogeological investigations at landfills and quarries, liquids management, regulatory compliance, and permitting, groundwater investigations at superfund and RCRA facilities, remedial system design, cost allocation and recovery from responsible parties. He is a Professional Geologist licensed in the state of Kansas.

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    • Mr. Markley is our National Expert for Deep Well and Underground Injection Control. He currently manages our Wichita office. His project experience includes engineering geology evaluations related to salt caverns, geologic isolation of fluids and compressed gasses, hydrogeological investigations at landfills and quarries, liquids management, regulatory compliance, and permitting, groundwater investigations at superfund and RCRA facilities, remedial system design, cost allocation and recovery from responsible parties. He is a Professional Geologist licensed in the state of Kansas.
      Contact Monte at 316-315-4501 or

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Mr. Marshall is a Vice President of SCS Engineers, Environmental Services Practice Leader for SCS offices in the Mid-Atlantic region, and our National Expert in Innovative Technologies. His over 35 years of experience include a diversified background in project engineering and management, with emphasis on environmental chemistry and human health risk issues.

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    • Jeff Marshall, PE, is a Vice President of SCS Engineers, Environmental Services Practice Leader for SCS offices in the mid-Atlantic region, and our National Specialist in Innovative Technologies. He has a diversified background in project engineering and management, with emphasis on the environmental chemistry and human health aspects of hazardous materials/waste management, waste treatment, site investigations, risk-based remediation and redevelopment, and environmental management/compliance/permitting issues.
      Clients have included dozens of Department of Defense facilities (throughout the US, Panama, Japan, Puerto Rico and Italy), scores of state and local governments, municipal maintenance facilities, active and closed landfills, waste-to-energy plants, recycling facilities, airports, R&D facilities, electronics manufacturers, coal-fired and dual-fueled electric power plants and cogeneration plants, potable water treatment and distribution utilities, printing plants, plating shops, petroleum refineries and bulk storage/distribution facilities, fertilizer manufacturing plants, adhesives formulators, polymer manufacturing and extrusion lines, hospitals and healthcare facilities, aluminum extrusion and machining facilities, auto parts manufacturers, explosives manufacturers, electric motor production plants, ore refining facilities, tool manufacturers, metal and wire products manufacturers, steel mills, a lead battery recycling facility, indoor and outdoor firing ranges, nuclear fuel rod manufacturing plants, gasoline stations, dry cleaners, office parks, strip malls, agricultural facilities, pesticide/herbicide sites, a radioactive healthcare products manufacturing facility, pharmaceutical manufacturers, rail lines and railroad maintenance facilities, concrete and refractory manufacturers, and RCRA waste treatment, storage and disposal facilities (TSDFs).
      Prior to joining SCS in 1985, Mr. Marshall spent three years with the U.S. Army Chemical Research and Development Center at the Aberdeen Proving Ground, MD. Responsibilities included the design of handling, treatment, storage, transportation, and disposal systems for the many hazardous substances (e.g., nerve gas and precursors) used and wastes generated at DOD chemical manufacturing facilities. Mr. Marshall also assisted in the preparation of NEPA Environmental Impact Statements for various chemical production facilities.
      Contact Jeff at 571-353-2016 or

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Mr. McCarron, PE, is a Vice President of SCS Engineers and our National Expert on Organics Management. He has nearly 35 years of progressively responsible experience in solid waste management, including waste composition studies, solid waste planning, composting, recycling, transfer stations, waste-to-energy systems, landfill design, and landfill gas systems. His expertise is in the design, permit, construction, and operation compost systems and facilities for public and private clients.

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    • Greg McCarron, PE, is a Vice President of SCS Engineers and our National Expert on Organics Management. He has nearly 35 years of progressively responsible experience in solid waste management, including composting, landfill gas (LFG) systems, landfill design, waste composition studies, recycling, transfer stations, and waste-to-energy systems. He is our national expert is in the design, permit, construction, and operation compost systems and facilities for public and private clients.
      His experience includes project management, design, regulatory support, construction oversight, system start-up, economic analysis, and technology assessment.
      Mr. McCarron’s experience also includes operations, project management, design, permitting, regulatory support, construction oversight, system start-up, economic analysis, and technology assessment.
      Contact Greg at 845-357-1052 or

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Ms. Blumberg (Murray) is SCS Engineers’ Vice President for International Services. She has nearly 30 years of professional experience in civil/environmental engineering, including landfill gas emissions modeling and collection system design; landfill gas energy technology evaluation, feasibility analysis, energy user outreach and analysis; landfill closures; transfer station design and construction; and stormwater hydrology and hydraulics.

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    • Ms. Blumberg (Murray) is SCS Engineers’ Vice President for International Services. She has nearly 30 years of professional experience in civil/environmental engineering, including landfill gas emissions modeling and collection system design; landfill gas energy technology evaluation, feasibility analysis, energy user outreach and analysis; landfill closures; transfer station design and construction; and stormwater hydrology and hydraulics.
      Ms. Blumberg served as the Program Manager for SCS’s contract with the US EPA Landfill Methane Outreach Program (LMOP). The LMOP mission is to reduce Greenhouse Gas emissions by beneficially capturing and utilizing the methane gas produced at landfills. In addition, she has managed multimillion-dollar design and construction projects with multiple disciplines and subcontractors.
      Contact Dana at 571-353-2020 or

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Mr. Nelson is the Business Unit Director of our Upper Midwest Region. He is also a Vice President and one of our National Experts for Electric Utilities. He is an engineer and hydrogeologist with over 20 years of experience. Mr. Nelson’s diverse experience includes solid waste landfill development, soil and groundwater remediation, and brownfield redevelopment. He is a licensed Professional Engineer in Wisconsin and Iowa.

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    • Mr. Nelson is the Business Unit Director of our Upper Midwest Region. He is also a Vice President and one of our National Experts for Electric Utilities. He is an engineer and hydrogeologist with over 20 years of experience. Mr. Nelson’s diverse experience includes solid waste landfill development, soil and groundwater remediation, and brownfield redevelopment. He is a licensed Professional Engineer in Wisconsin and Iowa.
      Mr. Nelson has worked with utility clients to complete numerous projects for dry CCR landfills, CCR ponds, and general environmental monitoring and compliance. He has been involved with CCR landfill projects that include feasibility analyses and permitting of landfill expansions; hydrogeologic and geotechnical site investigations; site design and operating plans; soil borrow source identification and permitting; liner and final cover construction liner, cover, and storm water management repairs. He has worked with utility clients to evaluate, plan, permit and complete CCR pond repairs and closures.
      Mr. Nelson’s environmental monitoring and compliance experience includes groundwater monitoring; oil containment design and construction; and Spill Prevention, Control, and Countermeasure (SPCC) planning. This diverse project experience has provided him the opportunity to work on challenging and innovative projects that have included design and permitting for wetland and stream mitigation, identifying and avoiding former underground mines during site design, and assessing the feasibility of installing a solar photovoltaic system on a closed CCR landfill.
      Mr. Nelson’s additional areas of expertise include remedial action planning, cost estimating, bidding and construction documents, and construction quality assurance. He has worked with electric utilities, solid waste facility owners/operators, and private property owners and developers.
      Contact Eric at 608-381-0753 or

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Neil Nowak, PE, is a Project Director at SCS Engineers, and our National Expert for Oil and Gas Services. He has over 30 years of experience in the consulting engineering industry, including civil, solid waste, produced water impoundments, storm water engineering, and construction projects.

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    • Neil Nowak, PE, is a Project Director at SCS Engineers, and our National Expert for Oil and Gas Services. He has over 30 years of experience in the consulting engineering industry, including civil, solid waste, produced water impoundments, storm water engineering, and construction projects.
      Expertise includes project management, building client relationships, managing budgets and schedules, building and guiding successful teams, and effectively utilizing project resources. His experience includes several front-range and mountainous landfills in Colorado and in other states as described below.Engineering experience includes design of landfill cap and baseliner systems, landfill gas collection and migration systems, produced wastewater evaporation ponds, SPCC Plans, storm water controls, geotechnical and geosynthetic applications, grading plans, environmental monitoring programs, construction certification, mold investigation, aerial photography, and land surveying.
      Construction quality assurance experience includes landfill baseliners and caps, oil and gas waste landfills, produced water evaporative ponds, demolition of underground storage tanks, lining of storm water channels, establishment of wetlands, and restoration of disturbed areas with indigenous species of vegetation.
      Mr. Nowak has managed environmental compliance and landfill construction quality assurance activities for multiple sites in several states. He has attended numerous public comment meetings and county commissioner meetings where he has prepared and presented various levels of project details for review and approval. Professional experience includes serving on the Board of Directors for the Colorado Chapter of SWANA since 2006. He has worked closely with various local, state, and federal regulatory agencies to ensure that engineering deliverables comply with all current applicable requirements.
      Contact Neil at 720-413-6142 or

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Eric Peterson
Vice President/Project Director/National Expert on Elevated Temperature Landfills and on Landfill Gas Control
O. (609) 654-4000

Mr. Peterson is a Vice President of SCS Engineers and our National Expert on Landfill Gas Control and Elevated Temperature Landfills. He directs landfill-gas (LFG) investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors and designs LFG systems for energy recovery and control of emissions, odors, and migration. He is a licensed professional engineer.

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    • Mr. Peterson is a Vice President of SCS Engineers, our National Expert on Landfill Gas Control, one of our National Experts on Elevated Temperature Landfills, and the manager our Medford, New Jersey, office. He directs landfill-gas (LFG) investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors and designs LFG systems for energy recovery and control of emissions, odors, and migration. He is a licensed professional engineer.
      Mr. Peterson directs LFG investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors, designs LFG systems for energy recovery and control of emissions, odors and migration, and provides training and consulting for system operations and optimization. He also is involved in bioreactor and leachate recirculation system engineering and operations consulting.
      Practice Areas
      His projects involve permitting, design, construction engineering, system start-up and trouble-shooting. He has designed over 150 LFG systems including LFG recovery systems; emissions and odor control systems; and systems to protect buildings located adjacent to and on landfills. As an expert in landfill emissions, air regulations and associated permitting and compliance requirements, he has conducted training air compliance seminars to both private waste firms and regulatory agencies.
      Contact Eric at 609-654-4000 or

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Ms. Pyle is a Vice President of SCS Engineers, the Business Unit Director of our SCS Tracer Division, and our National Expert on Risk Management Plans and Process Safety Management. Ms. Pyle serves as lead engineer on many projects and has been involved in the preparation of over 100 Risk Management and Safety Management Programs. She is a key element in the development of the Risk and Safety program at SCS Tracer Environmental, including document preparation for specific Administrating Agencies throughout the state of California and ensuring that all our risk programs are acceptable to these agencies.

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    • Ms. Pyle is a Vice President of SCS Engineers, the Business Unit Director of our Tracer Environmental Division, and our National Expert on Risk Management Plans and Process Safety Management. Ms. Pyle serves as lead engineer on many projects and has been involved in the preparation of over 100 Risk Management and Safety Management Programs. She is a key element in the development of the Risk and Safety program at SCS Tracer Environmental, including document preparation for specific Administrating Agencies throughout the state of California and ensuring that all our risk programs are acceptable to these agencies.
      Ms. Pyle specializes in risk programs for chemical processes – in particular, ammonia refrigeration facilities and water/wastewater treatment facilities. Ms. Pyle has developed EPA Risk Management Program submittal documentation (Risk Management Plans) for dozens of facilities, including developing Executive Summaries detailing each facility’s safety features, management structure, and potential risks associated with the process for EPA review and approval.
      Ms. Pyle has worked with industry groups to develop standardized Process Safety Management Programs (PSM) for industry members to ensure compliance with OSHA’s 1910.119 regulation (Cal-OSHA Title 8, §5189). She has also been involved in auditing facility PSM programs. Ms. Pyle’s experience includes all aspects of preparing documentation for PSM and California’s Accidental Release Prevention Program (CalARP) programs. This includes participating in Hazard and Operability Studies as the team leader, quality control, preparing qualitative risk assessments, and conducting off-site consequence analyses. Her vast experience in developing programs for numerous facilities has generated new approaches and innovative methods for managing and implementing individual PSM programs.
      Additional experience includes preparing Operations Manuals for facilities transferring bulk oil; supporting SCS Tracer’s RECLAIM and Clean Air Act Amendment – Title V permitting programs by developing potential-to-emit and actual emission profiles as well as outlining detailed process flow diagrams for industrial facilities; developing emissions inventories for natural gas storage facilities and refineries; and conducting detailed air quality inspections of industrial facilities in support of developing federal operating permits.
      Contact Lee at 760-744-9611 or

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Ms. Quinn is SCS Engineers’ National Expert on Solid Waste Finance and Rate Studies. She has 12 years of experience as a financial analyst and management consultant. She has extensive experience working for local government and has developed financial sustainability solutions for various general governments, special revenue funds, and utility enterprise funds. Ms. Quinn has an MBA in Finance, and a Bachelor’s Degree in International Economics.

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    • Ms. Quinn’s utility experience includes cost apportionment and rate design for solid waste, recycling, stormwater, water, and sewer. She is also skilled in non-ad valorem assessment development and other taxing/fee programs. Other areas of expertise include fiscal impact analysis and bond feasibility analysis. With her superior financial, business, and analytical skills, she provides clients with exemplary consulting, project facilitation, and financial analysis based upon application of sound financial and economic concepts. Her capability with financial modeling, data analysis, and public engagement is enhanced by her strong skills in Microsoft Excel/VBA and PowerPoint and research methodology and techniques.
      Contact Vita at 904-431-6902 or

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Mr. Rappolt, QEP, is a Vice President and Project Director of SCS Engineers. He is a Senior Air Quality Meteorologist and SCS’s National Expert on Odor and Tracer Gas Studies. He has over 40 years of program management and technical experience in air quality compliance and pollutant dispersion and air measurement programs. He is an expert in atmospheric dispersion and transport of airborne pollutants, particularly in the area of complex terrain, including overwater/coastal meteorological regimes, as well as inter and intra building processes.

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    • Mr. Rappolt, QEP, is a Vice President and Project Director of SCS Engineers. He is a Senior Air Quality Meteorologist and SCS’s National Expert on Odor and Tracer Gas Studies. He has over 40 years of program management and technical experience in air quality compliance and pollutant dispersion and air measurement programs. He is considered an expert in atmospheric dispersion and transport of airborne pollutants, particularly in the area of complex terrain, including overwater/coastal meteorological regimes, as well as inter and intra building processes.
      Mr. Rappolt he has designed and implemented over 40 atmospheric monitoring networks and comprehensive field measurement programs involving toxic chemicals and molds, volatile and semi-volatile organic compounds, metals, odorous compounds, criteria pollutants, and other targeted compounds of interest including chemical and biological warfare agents. Many of these measurement studies required support monitoring of local meteorological parameters, including upper atmospheric data using an array of direct probe and remote sensing devices. Mr. Rappolt has served as an expert witness in the area of meteorology, atmospheric dispersion, and odor impacts on numerous legal cases, hearing boards, and programs which have regulatory significance.
      Due to the ongoing threat of terrorism with the possible use of biological, chemical, and nuclear agents, Mr. Rappolt has led the effort within SCS to apply his monitoring and dispersion expertise toward conducting programs related to homeland defense. These programs have included infiltrations studies on selected buildings using tracer science as well as studying dispersion in extreme urban environments to validate crisis management models.
      Mr. Rappolt has applied his technical knowledge of pollutant movement and formation in the atmosphere to help assess and mitigate industrial odor issues. He has developed a method to assess a specific facility’s odor footprint and how that footprint affects compliance to nuisance regulations. This method, which incorporates onsite monitoring, modeling and surveys, has been very effective in isolating cost effective mitigations to resolve odor issues. This approach has been successfully utilized at manufacturing facilities, wastewater treatment plants, landfills and composting operations.
      Mr. Rappolt has been active in participating with state and local regulators regarding the formulation of greenhouse gas (GHG) regulations. As a stakeholder representative for industry, Mr. Rappolt is a member of several early action committees for the California Air Resources Board (CARB) regarding the implementation of AB32. In this capacity, Mr. Rappolt has provided testimony before the Air Resources Board regarding the severity of impacts these regulations could have on California businesses. Mr. Rappolt also serves on the Industrial Environmental Association’s Air Quality Committee which is active in assessing compliance strategies for industries subject to AB32 based regulations.
      Contact Tom at 760-744-9611 or

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Mr. Reed is the Director of our Texas region, a Vice President of SCS Engineers, and our National Expert on Landfill Design and Construction Quality Assurance. He has nearly 35 years of experience working predominantly on solid waste landfill projects. Project experience includes storm water management, erosion control, hydrogeologic/hydraulic analysis, landfill and transfer station design, landfill and transfer station permitting, geosynthetic lining and cover systems, landfill leachate control, slope stability analysis, and construction quality assurance (CQA). He is a licensed Professional Engineer in Texas and nine other states.

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    • Mr. Reed is the Director of our Texas region, a Vice President of SCS Engineers, and our National Expert on Landfill Design and Construction Quality Assurance. He has nearly 35 years of experience, working predominantly on solid waste landfill projects. He is a licensed Professional Engineer in Texas, Alabama, Florida, Louisiana, Minnesota, Mississippi, North Carolina, New Mexico, Oklahoma, and South Carolina.
      His project experience includes storm water management, liquids management, erosion control, hydrogeologic/hydraulic analysis, landfill and transfer station design, landfill and transfer station permitting, geosynthetic lining and cover systems, landfill leachate control, slope stability analysis, and construction quality assurance. He has provided design and consulting services for projects at over 100 landfill facilities in 26 states across the U.S. and in Canada.
      He is a member of the American Society of Civil Engineers and the Solid Waste Association of North America.
      Contact Jeff at 281-293-8494 or

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Ms. Ripplinger is SCS’s Director of Health & Safety and our National H&S Expert. She is a Board Certified Industrial Hygienist (CIH) and Safety Professional (CSP) with three decades of experience providing occupational and environmental health and safety services, specializing in indoor air quality, asbestos, lead, mold, radon, and environmental site assessments. She is also a licensed asbestos building inspector, asbestos project monitor, project designer and management planner, and an EPA certified lead based paint inspector/risk assessor. Her experience includes providing industrial hygiene expertise for facility health and safety audits, process safety management audits, training, environmental evaluations involving mold, indoor air quality, asbestos, lead-based paint, lead worker exposure, OSHA worker exposure, ionizing and non-ionizing radiation surveys and exposure issues, and hazardous waste drum sampling for unknowns.

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    • Ms. Ripplinger is SCS’s Director of Health & Safety and our National H&S Expert. She is a Board Certified Industrial Hygienist (CIH) and Safety Professional (CSP) with three decades of experience providing occupational and environmental health and safety services, specializing in indoor air quality, asbestos, lead, mold, radon, and environmental site assessments. She is also a licensed asbestos building inspector, asbestos project monitor, project designer and management planner, and an EPA certified lead based paint inspector/risk assessor.
      Her experience includes providing industrial hygiene expertise for facility health and safety audits, process safety management audits, training, environmental evaluations involving mold, indoor air quality, asbestos, lead-based paint, lead worker exposure, OSHA worker exposure, ionizing and non-ionizing radiation surveys and exposure issues, and hazardous waste drum sampling for unknowns.
      Her industrial hygiene and environmental consulting experience includes designing and overseeing remediation projects involving mold, asbestos, hazardous waste (metals and solvents), hazardous materials, polychlorinated biphenyls (PCBs), mercury, and other Resource Conservation and Recovery Act (RCRA) heavy metals; conducting both area and personal industrial hygiene sampling for metals, solvents, vapors, diesel exhaust constituents, mold, asbestos, and lead; conducting environmental sampling of soil, air, and water; and providing expert witness testimony.
      Ms. Ripplinger has worked with regulators at local, state, and federal levels, and has performed hundreds of comprehensive industrial hygiene shop surveys, indoor air quality assessments, ionizing radiation, non-ionizing radiation, noise exposure studies, chemical exposure assessments, and workers’ compensation and environmental investigations. She has supported many government agencies, large commercial companies (mining, construction, gaming), and residential development companies across the state of Nevada, and other states.

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Mr. Paul Schafer is a Vice President and Project Director at SCS Engineers and our National Expert on Ambient Air Monitoring. During his technical career at SCS and SCS Tracer Environmental, Mr. Schafer has assumed key roles on several nationally significant monitoring efforts.

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    • Mr. Paul Schafer is a Vice President and Project Director at SCS Engineers, and our National Expert on Ambient Air Monitoring. During his technical career at SCS and SCS Tracer Environmental, Mr. Schafer has assumed key roles on several nationally significant monitoring efforts. He has in-depth experience interfacing with regulatory agencies regarding the performance of monitoring systems, source emission tests, and continuous process monitors which are operated for our clientele. He has had direct working experience with the San Luis Obispo County APCD, San Joaquin Valley APCD, Imperial County APCD, South Coast AQMD, Santa Barbara APCD, San Diego County APCD, California Air Resources Board, EPA Region IX, and the General Services Administration regarding monitoring programs and air quality impact assessments. He is also experienced in liquids management.
      Mr. Schafer offers decisive management skills, which contribute to the success of monitoring programs under his purview. Cost control management and defensible technical performance are primary goals integral to all of the long-term monitoring programs that he manages. Mr. Schafer has developed close business relationships with manufacturers and vendors in the ambient air quality monitoring field.
      Contact Paul at 619-823-5333 or

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Mr. Schmidt is a Project Director in our Suffern, NY, office and our National Expert in Environmental Insurance Claims and Underwriting. He is an accomplished leader with nearly 30 years of experience in the environmental consulting and environmental insurance industries, with specific experience focusing on the evaluation of environmental risks and liabilities associated with insurance claims and underwriting, site investigation and remediation, due diligence, project management, and marketing. Mr. Schmidt is responsible for the growth and management of our environmental services practice in the greater New York area.

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    • Mr. Schmidt is a Project Director in our Suffern, NY, office and our National Expert in Environmental Insurance Claims and Underwriting. He is an accomplished leader with nearly 30 years of experience in the environmental consulting and environmental insurance industries, with specific experience focusing on the evaluation of environmental risks and liabilities associated with insurance claims and underwriting, site investigation and remediation, due diligence, project management, and marketing. Mr. Schmidt is responsible for the growth and management of our environmental services practice in the greater New York area.
      Mr. Schmidt has planned, managed and executed dozens of investigations involving multiple media (i.e., soil, groundwater, surface water) and contaminants at a wide-variety of sites located throughout the eastern seaboard of the US. These sites have ranged in size and complexity from residential properties, to commercial/industrial facilities, to major military bases.
      Specific projects involved environmental activities associated with underground storage tank (UST) and above-ground storage tank (AST) releases, dry cleaners, ISRA closures, historic fill, linear project corridors, a variety of commercial and industrial sites, and Brownfields sites, including the management and oversight of the remediation of the most heavily arsenic-contaminated site in New Jersey. Remedial actions have included soil excavation, pump and treat, air sparging and soil vapor extraction (AS/SVE), and innovative soil stabilization methodology.
      Mr. Schmidt has significant due dilligence experience conducting and managing Phase I and Phase II ESAs and other environmental assessments of residential, commercial and industrial properties throughout the NY/NJ metropolitan area for real estate companies, lending institutions, developers, and private individuals. Mr. Schmidt meets the definition of an Environmental Professional (EP) under the EPA All Appropriate Inquiries regulations (40 CFR 312).

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Mr. Sim is a Vice President and one of SCS’s National Experts for Liquids Management; he is also O&M Region Manager for the western counties in California. He is responsible for the following counties: LA County, Kern County, Ventura County, San Luis Obispo County, and Santa Barbara County.

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    • Mr. Sim is a Vice President and one of SCS’s National Experts for Liquids Management; he is also O&M Region Manager for the western counties in California. He is responsible for the following counties: LA County, Kern County, Ventura County, San Luis Obispo County, and Santa Barbara County. He has over 10 years of engineering-related experience with Waste Management, Inc. (WM), and more recently with SCS Engineers (SCS). He has a strong background in construction and field operations, having served as superintendent of a family-owned construction company for several years. With WM, he managed the design and construction of landfill liner cells, landfill final cover systems, landfill gas (LFG) flare stations, and numerous LFG well and piping projects. He also assisted with permitting efforts for landfill expansions, has managed environmental and safety compliance at multiple WM sites in Southern California, and managed LFG operations, including 10 LFG technicians, across nine WM sites in Southern California and Hawaii. He is an expert in Zink Ultra-Low Emission and traditional enclosed flare operations, and has significant experience in hydrogen sulfide (H2S) treatment system design and operation. He has designed gas collection and control system (GCCS) 5-year and final closure build-out plans, with respect to site LFG generation rates and operational fill sequence, and has improved surface emissions and probe compliance at all WM landfills in Southern California. Mr. Sim has facilitated and taught WM’s Landfill Gas Technician Program, and conducted numerous in-house training programs for WM employees.
      Since joining SCS, Mr. Sim continues to be involved in permitting, design, construction, and operations and maintenance of LFG systems across the country. Mr. Sim is currently the project manager and engineer of record responsible for the operations and maintenance (O&M) of the Chiquita Canyon Landfill GCCS system. Chiquita Canyon Landfill has over 300 collection points, two LFG turbines, and two flares with condensate injection systems. In addition to his involvement in O&M projects Mr. Sim has also been involved in many GCCS design and construction projects across California, Oregon and Alaska since joining SCS. These projects include landfill final cover systems, flare installations, hydrogen sulfide treatment systems, condensate injection systems, and numerous landfill gas well installations.
      Contact Sol at 562-492-6222

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Alex Stege is SCS Engineers’ National Expert on Landfill Gas Modeling. He provides expertise evaluating landfill gas (LFG) to energy and landfill methane emission reduction projects based on the application of LFG models to project LFG recovery.

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    • Alex Stege is SCS Engineers’ National Expert on Landfill Gas Modeling. He provides expertise evaluating landfill gas (LFG) to energy and landfill methane emission reduction projects based on the application of LFG models to project LFG recovery. For 20 years, Mr. Stege supported the U.S. EPA’s Landfill Methane Outreach Program (LMOP), World Bank, International Finance Corporation, landfill owners, municipalities and LFG project developers in assessing the feasibility and performance of LFG utilization projects. Mr. Stege leads SCS’s LFG modeling practice, which is based on the scientific application of actual flow and site data to develop an empirically calibrated LFG recovery model. Mr. Stege prepares or reviews domestic and international LFG modeling and due-diligence studies for SCS offices throughout the U.S.
      Practice Areas
      Mr. Stege provides training in LFG modeling to SCS staff at annual meetings, and is responsible for the ongoing development of SCS’s domestic and international LFG models. SCS has the most advanced LFG modeling practice in the industry because Mr. Stege has developed a model calibration procedure, applied SCS’s collection system design and operations expertise and its vast database of LFG flow and site data, and created an empirically-based model which accounts for the effects of collection system coverage/efficiency, site conditions, waste moisture, and waste composition on LFG recovery.
      Mr. Stege has been selected to give presentations on the application of LFG models to evaluate landfill methane generation and recovery at conferences hosted by the following organizations: LMOP (numerous conferences); the Global Methane Initiative (GMI) Partnership [Expos in Beijing (2008), Delhi (2010), and Vancouver (2013)]; the Solid Waste Association of North America (SWANA); the Environmental Research and Education Foundation (EREF); the Global Waste Management Symposium; and the International Solid Waste Association (ISWA).
      Mr. Stege was the author of LMOP/GMI LFG models for Central and Eastern Europe (2014), Colombia (2010), Ukraine (2009), Mexico (Version 1 [2003] and Version 2 [2009]), and Central America (2007), and has provided training on the use of these models. He has served as the Chairman of SWANA’s Generation and Modeling Committee for the past 10 years.
      Contact Alex at 602-840-2596 or

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Mr. Tabella, PG, LEED AP®, is SCS Engineers’ National Expert for Environmental Due Diligence and for Federal Services.  He is also a Project Manager and the Environmental Services Group Leader for the SCS office in Reston, Virginia.

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    • John Tabella, PG, LEED AP®, is SCS Engineers’ National Expert for Environmental Due Diligence and for Federal Services.  He is also a Project Manager and the Environmental Services Group Leader for the SCS office in Reston, Virginia. In this capacity, he oversees all aspects of environmental services opportunities and projects primarily throughout the Mid-Atlantic region, and supports on opportunities and projects throughout the U.S.
      Practice Areas
      Mr. Tabella has over 20 years of broad environmental experience, covering environmental due diligence, mergers and acquisitions, environmental site characterization, remedial design and implementation, environmental regulatory compliance and permitting, industrial hygiene, health and safety, and related disciplines.
      As SCS’s National Expert for Environmental Due Diligence, Mr. Tabella provides support to SCS offices on environmental due diligence business development, national client contract negotiation, project execution and QA/QC of deliverables and proposals.
      Mr. Tabella also serves as the Health and Safety (H&S) Coordinator for SCS’s Reston office and its satellites. Major responsibilities in this capacity include implementing SCS’ behavior-based safety program, coordinating and evaluating H&S training and medical monitoring, H&S recordkeeping and reporting, and H&S consulting on projects.
      Contact John at 571-353-2026 or

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Mr. Tierney is a Vice President of SCS Engineers and one of our National Experts on Sustainability. He is a Professional Geologist with over 30 years of experience in environmental and sustainability engineering and has helped a wide range of organizations control and reduce their legacy environmental impacts and liabilities, lower their costs, obtain grants and permits to expand, and implement cost-saving practices.

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    • Mr. Tierney is a Vice President of SCS Engineers and one of our National Experts on Sustainability. He has 30 years of experience in environmental and sustainability engineering and has helped a wide range of organizations control and reduce their legacy environmental impacts and liabilities, lower their costs, obtain grants and permits to expand, and implement cost-saving practices. He has given talks around the country on sustainability. He holds a Master’s Degree in Water Resources Management from the University of Wisconsin and a Bachelor’s Degree in Geology and Geophysics from Boston College. He is a Wisconsin Professional Geologist, a Certified Energy Efficiency Professional, and a Certified Ground Water Professional.
      Contact Ray at 608-216-7332 or

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Robert Viers
Vice President/Project Director/National Expert on Landfill Gas and Biogas to Energy
O. (562) 426-9544

Bob Viers, P.E. is a Vice President of SCS Engineers and our National Expert on Landfill Gas and Biogas to Energy. He is a Project Director and Lead Design Engineer for many types of energy projects.

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    • Bob Viers, P.E. is a Vice President of SCS Engineers and our National Expert on Landfill Gas and Biogas to Energy. He is a Project Director and Lead Design Engineer for many types of energy projects. Before joining SCS, he worked for a company that designed, manufactured and provided maintenance services for customized mechanical skids and mechanical packages for a wide range of industries. His responsibilities included review of proposals from bidders and subcontractor’s submittals for compliance with project specifications, codes and regulations, and company standards; equipment inspections during fabrication; management of personnel; preparation of project budgets; equipment commissioning; and technical support and specifications. Fabricated packages utilized positive displacement blowers, sliding vane compressors, multi-stage centrifugal blowers, pumps, liquid ring vacuum pumps, and other rotating equipment used in the environmental, power, water and wastewater treatment, flash-freezing, and commercial sectors.
      Contact Bob at 562-426-9544 or

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Mr. Wilks is a Vice President and Regional O&M Manager for the O&M Office, located in Bedford, TX. He is also one of SCS’s National Experts on Liquids Management. His technical expertise is environmental compliance relating to landfills.

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    • Ron Wilks is a Vice President and Regional O&M Manager in Bedford, TX. He is also one of SCS’s National Experts on Liquids Management. He has a degree in business administration (marketing and personnel management) and has over four decades of experience. His technical expertise is environmental compliance relating to landfills. He is responsible for training personnel in the Field Services Southwest and Southeast Regions, and he is active with the SWANA LFG Training and Field Practices Committee. Mr. Wilks is a client services manager for all aspects of projects the include design requirements, coordination of designs, construction implementation, and operations management. He is also the primary system troubleshooter and investigator for LFG and leachate management systems.
      Contact Ron at 817-358-6104 or

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