Tetra Tech is a forward-thinking, progressive company that strives for the highest level of excellence.

Dan Batrack
Dan L. Batrack
Chairman, Chief Executive Officer, and President
Steve Burdick
Steven M. Burdick
Executive Vice President,
Chief Financial Officer
Ronald Chu
Ronald J. Chu
Executive Vice President, Resource Management & Energy
Leslie Shoemaker
Leslie L. Shoemaker
Executive Vice President, Water, Environment & Infrastructure
William Brownlie
William R. Brownlie
Senior Vice President, Chief Engineer and Corporate Risk Management Officer
Brian Carter
Brian N. Carter
Senior Vice President, Corporate Controller and Chief Accounting Officer
Craig Christensen
Craig L. Christensen
Senior Vice President, Chief Information Officer
Richard Lemmon
Richard A. Lemmon
Senior Vice President, Corporate Administration
Kevin McDonald
Kevin P. McDonald
Senior Vice President, Human Resources and Leadership Development
Janis Salin
Janis B. Salin
Senior Vice President, General Counsel and Secretary
Dan Batrack
Dan L. Batrack
Chairman of the Board, Director since 2005
Hugh M. Grant
Hugh M. Grant
Director since 2003
Patrick C. Haden
Patrick C. Haden
Director since 1992
J. Christopher Lewis
J. Christopher Lewis
Director since 1988
Joanne Maguire
Joanne M. Maguire
Director since 2016
Kimberly E. Ritrievi
Kimberly E. Ritrievi
Director since 2013
Albert E. Smith
Albert E. Smith
Director since 2005
J. Kenneth Thompson
J. Kenneth Thompson
Director since 2007
Kirsten M. Volpi
Kirsten M. Volpi
Director since 2013
Li San Hwang
Li-San Hwang
Chairman Emeritus