Tetra Tech
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Dan L. Batrack
Chairman, CEO & President
William R. Brownlie
SVP, Chief Engineer
Bernard Teufele
President, Environment/Geotech Division
Roger R. Argus
President, Government Services Group & Commercial & International Group
Richard A. Lemmon
SVP, Corporate Administration
+ 14 more
Gina Green
Chief Scientist
Bill Zahniser
Vice President, Principal Engineer
Patrick Farr
Vice President/principal Engineer
Rick Alfonso
Vice President, Land Development
+ 2 more
8 members
12 members
Current role
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