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

Corporate Leadership

Dan L. Batrack
Chairman, Chief Executive Officer

Jill M. Hudkins
Steve Burdick
Steven M. Burdick
Executive Vice President,
Chief Financial Officer
Leslie Shoemaker
Leslie L. Shoemaker
Executive Vice President, Chief Sustainability and Leadership Development Officer
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/International Services Group and President, Energy Engineering Division

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

Keith Brown
President, Global Development Services Division

Stuart W. Fowler
President, High Performance Buildings Division

Olivier H. Jeannot
President, Federal Information Technology Division

Bernard Teufele
President, Environment/Geotech Division

Dan L. Batrack
Chairman of the Board, Director since 2005

Gary R. Birkenbeuel
Director since 2018

Prashant Gandhi
Director since 2022
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
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