May 19, 2025

Nathan Hamm

Nathan Hamm, PE, is a Senior Vice President, our Chief Strategy Officer (CSO), and is a leader in Leachate and Wastewater Management. He has over two decades of environmental engineering consulting experience. Throughout his career, he has worked on projects for a variety of industries, including solid waste ...

May 19, 2025

Curtis Jang

Curtis Jang is the President of SCS Engineers. He partners closely with our Chief Executive Officer, other members of our executive management team, and the Board of Directors to develop strategies for allocating capital and organizational improvement. He leads the strategic direction and alignment of all corporate services, ...

May 19, 2025

Doug Doerr

Doug Doerr, PE, is SCS Engineers' Chief Executive Officer (CEO). His over three-decade career has exclusively been in the engineering/consulting industry, where he has focused on assisting clients with environmental and business challenges. He prides himself on developing deep and long-lasting client relationships and facilitating a servant leadership culture ...

May 19, 2025

James Walsh

Jim Walsh, PE, BCEE, is currently the Chairman of the Board of SCS Engineers. He served as our President and CEO for 22 years and is one of our National Experts on Elevated Temperature Landfills. He has worked at the forefront of sustainable solid waste management, sanitary landfills, ...

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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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