Staff

Mr. Gould has participated in a variety of environmental and solid waste management projects for over 12 years. His experience includes Phase I and II Environmental Site Assessments (ESAs) of commercial and agricultural sites, remedial activities at hazardous and non-hazardous project sites, and landfill investigations.

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    • Mr. Gould has participated in a variety of environmental and solid waste management projects for over 12 years. His experience includes Phase I and II Environmental Site Assessments (ESAs) of commercial and agricultural sites, remedial activities at hazardous and non-hazardous project sites, and landfill investigations. This has included historical and regulatory research; collection of soil, groundwater, landfill gas (LFG), and suspect asbestos or lead-containing material samples; supervision of subcontractors; health and safety compliance; data management; interpretation of laboratory analytical results; remediation oversight; and technical report preparation.

Mr. Greene is a project manager with a variety of solid waste related environmental engineering experience, including air permitting, landfill gas, financial analysis, due diligence efforts, regulatory development and analysis, compliance planning, greenhouse gas monitoring, emission inventory including emission factor development, SPCC and SWPPP development.

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    • Mr. Greene is a project manager with a variety of solid waste related environmental engineering experience, including air permitting, landfill gas, financial analysis, due diligence efforts, regulatory development and analysis, compliance planning, greenhouse gas monitoring, emission inventory including emission factor development, SPCC and SWPPP development. Mr. Greene also consults internationally in Southeast Asia focusing on the areas of planning and implementing training and evaluating the feasibility of LFG energy projects at solid waste disposal sites.

Ms. Griesmer is experienced in managing small to large scale projects that include environmental site assessment and characterization; remedial pilot testing, construction, installation, operations, and maintenance. She conducts environmental site assessments, oversees remediation activities and submits regulatory reports including Phase I & II assessments for sites in Florida, Georgia, and Alabama. Ms. Griesmer has a Master’s degree in Geology.

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    • Ms. Griesmer has experience managing small to large scale projects that include environmental site assessment and characterization; remedial pilot testing, construction, installation, operations, and maintenance. She has experience conducting environmental site assessments, overseeing remediation activities and submitting regulatory reports including Phase I & II assessments for sites in Florida, Georgia, and Alabama. She has experience in state cleanup efforts and associated regulatory procedures, and has participated in successful environmental closure efforts, which imposed engineering controls and property restrictions. She also possesses a strong knowledge of the applicable Florida Regulatory Chapters and Standard Operating Procedures. She has a Master’s degree in Geology.

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Mr. Grill is a Project Manager with our Energy division. He is experienced with the design, construction, operation, and maintenance of Landfill Gas-to-Energy facilities, biogas treatment facilities, power plantsk and has conducted stuides of digester gas methanization.

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    • Ms. Griesmer also serves as a client contact on assigned projects which involves building and maintaining professional relationships with clients. She interacts with customers and subcontractors and team members to complete assigned projects on-time.

Mr. Guenther has nine years of experience as an engineer in environmental consulting. He has diverse experience in sediment, soil and groundwater investigation and remediation, ash impoundment cover and liner construction, storm water analysis, methane investigation and remediation, and brownfield redevelopment.

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    • Mr. Guenther has nine years of experience as an engineer in environmental consulting. He has diverse experience in sediment, soil and groundwater investigation and remediation, ash impoundment cover and liner construction, storm water analysis, methane investigation and remediation, and brownfield redevelopment. His areas of expertise include site investigation, cost estimating, bidding and construction documents, and construction oversight and documentation. Rick has worked with private property owners and developers, electric utilities, and industrial facilities.

Mr. Gutierrez is a Project Director with our Operations, Maintenance, and Monitoring (OM&M) division.

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    • Mr. Gutierrez is a Project Director with our Operations, Maintenance, and Monitoring (OM&M) division.

Dr. Gutzler combines his legal and scientific expertise to develop solutions for complex regulatory environmental issues. His background includes legal work and litigation support in mineral and environmental law, construction supervision on earth moving projects, and project management for building renovation and highway construction.

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    • Robert Gutzler combines his legal and scientific expertise to develop solutions for complex regulatory environmental issues. His background includes legal work and litigation support in mineral and environmental law, construction supervision on earth moving projects, and project management for building renovation and highway construction. Dr. Gutzler prepares environmental assessments and conducts construction remediation activities; such as exploratory excavations, soil drilling programs, and confirmation sampling plans for soil, soil vapor, and groundwater contamination. He thoroughly analyzes data with well-honed skills that allow him to expertly delineate the extent of contamination of a property. With over 40 years’ experience, primarily in Southern California, Dr. Gutzler’s familiarity with local conditions and stakeholders allow him to efficiently evaluate regulatory requirements, and expeditiously negotiate cleanup levels and strategies with regulatory agencies.

Mr. Haase prepares and submits air permit applications; waste water applications: NPDES, stormwater and SPCC plans; hazardous waste generator compliance plans; and all types of environmental compliance reporting for clients. He is particularly experienced at helping clients build sustainable health and safety cultures using training and positive behavior reinforcement with an emphasis on compliance and case management.

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    • As an SCS Project Manager, Mr. Haase prepares and submits air permit applications; waste water applications: NPDES, stormwater and SPCC plans; hazardous waste generator compliance plans; and all types of environmental compliance reporting for clients. He is particularly experienced at helping clients build sustainable health and safety cultures using training and positive behavior reinforcement with an emphasis on compliance and case management.

Mr. Hamela is a Senior Project Professional in our Charlotte, NC, operations. He is a licensed Professional Geologist in North Carolina.

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    • Mr. Hamela is a Senior Project Professional in our Charlotte, NC, oeprations. He is a licensed Professional Geologist in North Carolina.

Steve Hamilton
Senior Vice President/Business Unit Director/National Expert on Landfill Gas and Biogas to Energy
Santa Rosa, CA
National Expert: Landfill Gas and Biogas to Energy
O. (707) 695-8543

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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Nathan Hamm
Vice President/Project Director/National Expert on Liquids Management
Overland Park, KS
National Expert: Liquids Management
O. (913) 749-0705

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. Hammers has over five years of experience as an engineer in the environmental field. His areas of expertise include regulatory compliance, sustainable practices, and chemical management. He has an in-depth knowledge of Wisconsin, Minnesota, and federal regulatory programs, including the Clean Air Act, Clean Water Act, Oil Spills Prevention and Preparedness Regulations, and the Emergency Planning and Community Right-to-know Act (EPCRA).

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    • Mr. Hammers has over five years of experience as an engineer in the environmental field. His areas of expertise include regulatory compliance, sustainable practices, and chemical management. He has an in-depth knowledge of Wisconsin, Minnesota, and federal regulatory programs, including the Clean Air Act, Clean Water Act, Oil Spills Prevention and Preparedness Regulations, and the Emergency Planning and Community Right-to-know Act (EPCRA).

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Ms. Han is a Senior Project Professional with over 5 years of experience on solid waste projects and field work at landfills. She has participated in the preparation of engineering designs, drawings, specifications, technical reports, and provided construction oversight. Her academic background encompasses a wide range of topics, including geotechnical engineering, water quality control, water chemistry and analysis, environmental geochemistry, air quality, regulatory compliance, hydrogeology and fluid mechanics, wastewater treatment design, and energy efficiency. Jessie has a Masters degree in Civil and Environmental Engineering from USC.

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    • Ms. Han is a Senior Project Professional with over 5 years of experience on solid waste projects and field work at landfills. She has participated in the preparation of engineering designs, drawings, specifications, technical reports, and provided construction oversight. Her academic background encompasses a wide range of topics, including geotechnical engineering, water quality control, water chemistry and analysis, environmental geochemistry, air quality, regulatory compliance, hydrogeology and fluid mechanics, wastewater treatment design, and energy efficiency. Jessie has a Masters degree in Civil and Environmental Engineering from USC.

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Mr. Hansen is experienced in the fields of computer technology and landfill gas management. He has managed landfill gas (LFG) projects throughout the southeast United States, including operations and maintenance of landfill gas collection and control systems (GCCS) for regulatory compliance (i.e., federal New Source Performance Standards (NSPS)), odor and LFG migration control, LFG energy, and greenhouse gas credits.

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    • Services provided by Mr. Hansen on these projects include system analysis, data review and reporting, planning and project management, LFG extraction wellfield balancing and adjustment, compressor facility operation and maintenance, blower/flare station adjustment and maintenance, troubleshooting, and repairs.

Ms. Harlow is SCS’s Vice President for Financial Systems.

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    • Ms. Harlow is SCS’s Vice President for Financial Systems.

Mr. Harms is a Senior Project Professional who specializes in groundwater monitoring and impact assessment. His responsibilities have included preparation of groundwater monitoring activities, analysis of environmental data, and preparation of regulatory compliance reports. He also has experience in planning and implementing subsurface investigations, including borings and well installations, trenching, and remedial excavations. He is skilled in environmental sampling, including water, soil, and vapor. Mr. Harms holds an MS degree in Geology, with thesis research in isotope hydrology. He is a licensed Professional Geologist in California.

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    • Mr. Harms is a Senior Project Professional who specializes in groundwater monitoring and impact assessment. His responsibilities have included preparation of groundwater monitoring activities, analysis of environmental data, and preparation of regulatory compliance reports. He also has experience in planning and implementing subsurface investigations, including borings and well installations, trenching, and remedial excavations. He is skilled in environmental sampling, including water, soil, and vapor. Mr. Harms holds an MS degree in Geology, with thesis research in isotope hydrology. He is a licensed Professional Geologist in California.
      Mr. Harms is experienced in groundwater monitoring and sampling events at Leaking Underground Storage Tank (LUST) sites in Northern California. He has developed work plans and cost estimates for dual-phase extraction pilot studies and subsurface investigations; participated in remedial excavations and free product removal at contaminated facilities; interfaced with regulatory agencies and site owners; and completed soil vapor monitoring well installations at various industrial locations. His experience includes purging and sampling of monitoring wells, coordination with laboratories, ordering of field supplies and equipment rental, soil logging and soil sample collection, and related field activities.

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Mr. Harquail is experienced in the operations, maintenance, and monitoring of environmental control systems. He serves as the Northwest Operations Manager for SCS Field Services, the landfill construction, OM&M division of SCS Engineers. Mr. Harquail and his staff are providing OM&M services at 15 active and closed landfills in the Pacific Northwest. Their responsibilities range from routine monitoring and maintenance of landfill gas and groundwater systems, to the operation of flare and leachate evaporation systems.

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    • Mr. Harquail is experienced in the operations, maintenance, and monitoring of environmental control systems. He serves as the Northwest Operations Manager for SCS Field Services, the landfill construction, OM&M division of SCS Engineers. Mr. Harquail and his staff are providing OM&M services at 15 active and closed landfills in the Pacific Northwest. Their responsibilities range from routine monitoring and maintenance of landfill gas and groundwater systems, to the operation of flare and leachate evaporation systems.
      Mr. Harquail’s experience includes managing and executing environmental compliance, OM&M and remediation field activities. He has also provided oversight and management activities related to contaminated soil and groundwater, the installation and monitoring of groundwater and landfill gas wells, and the skilled management of environmental testing in a shoreline environment. Finally, he is also proficient in the execution and QA oversight of soil management plans at large construction projects, employee and client training in sampling and collection methods, and evaluation and maintenance of monitoring equipment, blowers, flares and ancillary equipment. From 1992 through 2008, his previous employment included EMCON, Mckenna Environmental, Quality Technical Services, and Ecology and Environment.

Ms. Hartshorne has been performing environmental and solid waste management projects for SCS Engineers since 1990, and has been in the Tucson office since 1996. Her qualifications include management, interpretation, and presentation of data generated by small and large multi-task projects.

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    • Ms. Hartshorne has been performing environmental and solid waste management projects for SCS Engineers since 1990, and has been in the Tucson office since 1996. Her qualifications include management, interpretation, and presentation of data generated by small and large multi-task projects. She has extensive experience with Phase I and II Environmental Site Assessments (ESAs) of vacant, residential, industrial, commercial, and agricultural sites; underground storage tank (UST) investigations; remedial activities at hazardous and non-hazardous project sites; and landfill investigations. This includes historical and regulatory research; collection of soil, groundwater, landfill gas (LFG), air, and suspect asbestos or lead-containing material samples; supervision of subcontractors; health and safety compliance; data management; interpretation of results; remediation oversight; and technical report preparation. She has performed, managed, and assisted with hundreds of environmental assessments, remedial investigations, and landfill investigations in Arizona and other states.
      Ms. Hartshorne is certified in accordance with federal Asbestos Hazard Emergency Response Act (AHERA) regulations to conduct inspections and provide oversight of asbestos abatement projects. This includes collection of bulk samples of suspect asbestos-containing materials (ACMs) for Comprehensive Asbestos Surveys of residential, commercial, and other structures; documentation and air sampling during abatement activities; and technical reporting. She is also certified by the US Environmental Protection Agency (EPA) to perform sampling and risk assessment of lead-based paint (LBP) in residences and other structures.
      Her experience in landfill investigations includes waste characterization investigations, groundwater monitoring, preparation of landfill operations plans, Aquifer Protection Permit (APP) documents, and Solid Waste Facility Plans (SWFPs), and performance of LFG monitoring and Tier 2 landfill investigations.

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Mr. Hasbun is a Senior Project Manager in our Miami, FL, office. He has three decades of environmental and construction experience in the public and private sectors managing a wide variety of Phase I and II Environmental Site Assessments, site investigations and reporting, hazardous waste management and disposal, environmental permit acquisition, source removals, dewatering projects, and remediation design construction involving large-scale groundwater treatment, soil excavation, and in-situ soil treatment. He is a licensed Professional Engineer in Florida.

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    • Mr. Hasbun is a Senior Project Manager in our Miami, FL, office. He has three decades of environmental and construction experience in the public and private sectors managing a wide variety of Phase I and II Environmental Site Assessments, site investigations and reporting, hazardous waste management and disposal, environmental permit acquisition, source removals, dewatering projects, and remediation design construction involving large-scale groundwater treatment, soil excavation, and in-situ soil treatment. He is a licensed Professional Engineer in Florida.
      In addition, he provides consulting for environmental and civil construction projects for the Florida Department of Transportation (FDOT) Districts 4 and 6, Miami-Dade Expressway Authority (MDX), South Florida Water Management District (SFWMD), and private clients. He also has experience managing analytical laboratories and conducting Quality Assurance (QA)/Quality Control (QC) audits and implementing QA procedures.

Jay Hatho
Senior Vice President / Chief Information Officer-Chief Technology Officer
Long Beach, CA
National Expert: Technology Services
O. (562) 426-9544

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. Hauser is a Project Director at SCS Tracer Environmental (a division of SCS) where his current responsibility is to lead SCS Tracer’s Environmental Compliance group. Mr. Hauser has over 25 years of experience with compliance topics such as air quality permitting; compliance plans and audits; dispersion modeling; emission inventories; health risk assessments; and special projects such as MRR Systems and odor impact assessments.

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    • Mr. Hauser is a Project Director at SCS Tracer Environmental (SCS Tracer) where his current responsibility is to lead SCS Tracer’s Environmental Compliance group. Mr. Hauser has over 25 years of experience with compliance topics such as air quality permitting; compliance plans and audits; dispersion modeling; emission inventories; health risk assessments; and special projects such as MRR Systems and odor impact assessments.
      Mr. Hauser is currently helping clients comply with the greenhouse gas (GHG) regulations including mandatory reporting under California’s AB-32 regulation and EPA’s 40 CFR 98 regulation. In addition, Mr. Hauser supports SCS Tracer’s Risk Management and Safety Group. Within the Risk Group, Mr. Hauser has developed several California Accidental Release Prevention (CalARP) Programs, Risk Management Plans (RMPs), and Process Safety Management (PSM) programs for industrial clientele using acutely hazardous materials. His risk management experience includes preparing piping and instrumentation diagrams (P&IDs) for Hazard and Operability (HAZOP) studies, serving as HAZOP Quality Control and HAZOP Recorder, performing Hazard Analyses and Off-site Consequence Analyses, and developing documentation according to the specific requirements of Administering Agencies.

Mr. Helland is a Vice President and serves as the Northwest Business Unit Director. His technical experience includes management and project experience related to site assessment, RI/FS, environmental monitoring and data management, hazardous waste characterization, regulatory compliance, remediation and management, Brownfields, permitting, NEPA/SEPA, and human health and ecological risk assessment.

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    • Mr. Helland is a Vice President and serves as the Director of our Northwest Operations. His technical experience includes management and project experience related to site assessment, RI/FS, environmental monitoring and data management, hazardous waste characterization, regulatory compliance, remediation and management, Brownfields, permitting, NEPA/SEPA, and human health and ecological risk assessment. Mr. Helland has also served as project director for stormwater compliance, UST management and closure, spill prevention planning, and hazardous waste management/minimization projects.
      As Northwest Business Unit Director, Mr. Helland is ultimately responsible for ensuring that all contracts and scopes of work are properly executed, and that clients are provided with the highest quality data and deliverables. He ensures that regular internal project reviews are completed, that clients are kept apprised of progress and any changes, and that the clients’ expectations are satisfied.

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Mr. Hendron has over 40 years of experience. He has experience working across the US and in Israel, Columbia, Mexico and Peru. His engineering practice has included major projects involving geotechnical engineering, hydrogeology, surface water hydrology, solid and hazardous waste management, litigation support/expert witness testimony, and regulatory interface with numerous local, state and federal regulatory agencies.

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    • Mr. Hendron has over 40 years of experience. He has experience working across the US and in Israel, Columbia, Mexico and Peru. His engineering practice has included major projects involving geotechnical engineering, hydrogeology (including extensive projects involving groundwater contamination and remediation studies), surface water hydrology, solid and hazardous waste management, litigation support/expert witness testimony, and regulatory interface with numerous local, state and federal regulatory agencies. He has worked on hundreds of varied multi-disciplined projects and has served as the project manager and project director to successfully complete the work to the satisfaction of his clients. Mr. Hendron is an active practitioner of geotechnical and geo-environmental engineering.

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Mr. Hernandez is a Project Director in SCS’s Boca Raton office with 21 years of experience in the environmental field with a focus on solid waste management. His experience includes all aspects of project development, including planning, evaluation, contract negotiations, permitting, design, construction administration, and public outreach. Strong leadership, managerial, mentoring and team building skills within multicultural teams. Work environment includes both public and private entities. Experienced with local and federal environmental regulations.

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    • Mr. Hernandez is a Project Director in SCS’s Boca Raton office with 21 years of experience in the environmental field with a focus on solid waste management. His experience includes all aspects of project development, including planning, evaluation, contract negotiations, permitting, design, construction administration, and public outreach. Strong leadership, managerial, mentoring and team building skills within multicultural teams.
      He is experienced with both public and private clients, and local and Federal environmental regulations.

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