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

Corporate Leadership
Dan Batrack
Dan L. Batrack
Chairman, Chief Executive Officer, and President
Steve Burdick
Steven M. Burdick
Executive Vice President,
Chief Financial Officer
Leslie Shoemaker
Leslie L. Shoemaker
Executive Vice President, Operations and President, Commercial/International Services Group (CIG)
William Brownlie
William R. Brownlie
Senior Vice President, Chief Engineer
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

Preston Hopson
Senior Vice President, General Counsel, and Secretary
Richard Lemmon
Richard A. Lemmon
Senior Vice President, Corporate Administration

Brendan O’Rourke
Senior Vice President, Enterprise Risk Management
Operational Leadership

Derek G. Amidon
President, Commercial Account Management Division

Roger R. Argus
President, Government Services Group and President, U.S. Government Division

Jan K. Auman
President, Global Development Services Division

Urs B. Meyerhans
President, Asia Pacific Division

Mark A. Rynning
President, U.S. Infrastructure Division

Bernard Teufele
President, Canada and South America Division
Dan Batrack
Dan L. Batrack
Chairman of the Board, Director since 2005

Gary R. Birkenbeuel
Director since 2018
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