May 19, 2025

Galen Petoyan

Galen Petoyan directs SCS's nationwide Operations, Monitoring, and Maintenance, (OM&M) practice. He has technical and management experience in environmental engineering, including design, construction, and operation of regulatory compliance systems and energy recovery facilities.

May 19, 2025

Thomas Barham

Tom Barham is SCS's Senior Vice President and General Counsel. He is also SCS’s Senior Vice President of Construction Services. He is a member of the Virginia and District of Columbia bars and a licensed contractor in 15 states. He has served as an adjunct professor in the Department ...

May 19, 2025

Michael Miller

Mike Miller, CHMM, is a Senior Vice President, National Environmental Services Market Leader, and one of our National Experts on Environmental Due Diligence and on Solid Waste Collection and Routing. He has a wide variety of experience in the environmental management and consulting field in both the private and ...

May 19, 2025

Michael McLaughlin

Mike McLaughlin, PE, JD, is a Senior Vice President and one of our National Experts on Brownfields & Landfill Redevelopment. He is a licensed engineer and attorney with over 45 years of professional experience providing advice on environmental matters, especially with respect to hazardous waste and Superfund issues. He ...

May 19, 2025

Daniel Cooper

Dan Cooper, PE, is a Vice President and our National Solid Waste Services Market Leader. He has expertise in all aspects of landfill and landfill gas projects, including design, permitting, and construction. His experience includes landfill Gas Collection and Control System (GCCS) design, permitting, and expansions, landfill gas (LFG) ...

May 19, 2025

Robert Gardner

Robert Gardner, PE, BCEE, is a Senior Vice President with expertise in 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 ...

May 19, 2025

Stacey Dolden

Stacey Dolden is a Senior Vice President and serves as our Chief People Officer as a member of our executive leadership team. In this role, she leads the Human Resources function and drives the company's overall people strategy, ensuring alignment with the firm's mission and growth objectives. Stacey holds ...

May 19, 2025

Steve Liggins

Steve Liggins, CPA, is a Senior Vice President and the Chief Financial Officer (CFO) of SCS Engineers. He is responsible for the finance and accounting operations of the company. He is a certified public accountant with 15+ years of experience in related financial positions. Mr. Liggins has a Master's ...

May 19, 2025

Jay Hatho

Jay Hatho is a Senior Vice President of SCS Engineers, serving as our Chief Technology Officer/Chief Information Officer and national expert on technology services. He started the SCS development organization at SCS, which spearheads the development of innovative technologies for all data collection and automation aspects of the firm. ...

May 19, 2025

Eddy Smith

Eddy Smith, PE, is our Chief Operating Officer, responsible for implementing companywide strategies across our business units and practices. He previously served as Senior Vice President and Corporate Project Director, as well as the Business Unit Director for our Southeast Region. He has a BS in Civil Engineering ...

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Corporate Headquarters

SCS Engineers
3900 Kilroy Airport Way Suite 300
Long Beach, CA 90806
FAX: 1 (562) 427-0805

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