Autoplay settings
Off On

Eric W. Thornburg

Director

Headshot of Eric W. Thornburg

Eric W. Thornburg has been a Director of Tetra Tech since 2026.

Mr. Thornburg joined our Board in March 2026. He served as CEO of H20 America (previously SJW Group) from 2017 to 2025 and Chair of the Board of Directors from 2018 to 2026. Prior to joining H20 America, Mr. Thornburg served as Chief Executive Officer of Connecticut Water Service from 2006 to 2017 and Chair of the Board of Directors from 2007 to 2017. Mr. Thornburg began his career at American Water Works Corporation, developing expertise in all facets of water utility operations. He holds a B.A. degree in Biology and Business from Cornell University and an M.B.A. from Indiana Wesleyan University.

Scroll to Top