TETRA TECH INC

For the period ended Sep 29, 2024. Filed Nov 19, 2024.

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FY2024 · Filed Nov 19, 2024

TTEK$40.65-1.1%Stored close · as of Nov 10, 2026

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Executive Officers of the Registrant

The following table shows thename, age and position of each of our executive officers as of November 19, 2024:

Name	Age	Position
Dan L. Batrack	66	Chairman, Chief Executive Officer and President
	Mr. Batrack joined our predecessor in 1980 and was named Chairman in January 2008. He has served as our Chief Executive Officer and a director since November 2005, and as our President from October 2008 to September 2019. Mr. Batrack has served in numerous capacities over the last 40 years, including arctic research scientist, deep water oceanographic hydrographer, coastal hydrodynamic modeler, environmental data analyst, project and program manager, President of the Engineering Division, and in 2004 he was appointed Chief Operating Officer. He has managed complex programs for many small and Fortune 500 clients, both in the United States and internationally. Mr. Batrack holds a B.A. degree in Business Administration from the University of Washington.
Steven M. Burdick	60	Executive Vice President, Chief Financial Officer
Mr. Burdick has served as our Executive Vice President, Chief Financial Officer since April 2011. He served as our Senior Vice President, Corporate Controller and Chief Accounting Officer from January 2004 to March 2011. Mr. Burdick joined us in April 2003 as Vice President, Management Audit. Previously, Mr. Burdick served in senior financial and executive positions with Aura Systems, Inc., TRW Ventures, and Ernst & Young LLP. Mr. Burdick holds a B.S. degree in Business Administration from Santa Clara University and is a Certified Public Accountant.
Leslie Shoemaker	67	Executive Vice President, Chief Innovation and Sustainability Officer
Dr. Shoemaker currently serves as Executive Vice President, Chief Innovation and Sustainability Officer focused on the advancement of Tetra Tech Delta technologies, development and deployment of our subscription software offerings, and company-wide technology innovation programs. Dr. Shoemaker joined us in 1991, and has served in various management capacities, including Tetra Tech President, Chief Strategist, business group president, and water resources project manager. Her technical expertise is in the development models and data analytics that leverage emerging technologies to optimize the management of large-scale complex watersheds. Since the inception of our sustainability program in 2010, she has served as Chief Sustainability Officer leading the formation and evolution of the program. Dr. Shoemaker holds a B.A. in Mathematics from Hamilton College, a Master of Engineering from Cornell University and a Ph.D. in Agricultural Engineering from the University of Maryland. She was inducted into the United States' National Academy of Engineers in 2022.

Name	Age	Position
Roger R. Argus	63	Executive Vice President, President of CIG
	Mr. Argus is a chemical engineer with 39 years of experience, including over 30 years with us in operational leadership, program and project management and quality assurance for projects encompassing a broad spectrum of environmental, engineering, information technology and disaster management services. Mr. Argus has also been responsible for managing multidisciplinary contracts and projects in support of the U.S. federal government (i.e., U.S. Navy, the U.S. Army Corps of Engineers and the Environmental Protection Agency), state and municipal agencies and private clients nationwide. The scope of his technical experience includes planning and directing environmental programs, developing data acquisition, management and analytics solutions, fund research and development support for innovative environmental technologies and waste treatment systems, municipal resiliency and sustainability programs. Mr. Argus holds a B.S. in Chemical Engineering from California State University, Long Beach.
Brian N. Carter	57	Senior Vice President, Corporate Controller and Chief Accounting Officer
	Mr. Carter joined us as Vice President, Corporate Controller and Chief Accounting Officer in June 2011 and was appointed Senior Vice President in October 2012. Previously, Mr. Carter served in finance and auditing positions in private industry and with Ernst & Young LLP. Mr. Carter holds a B.S. in Business Administration from Miami University and is a Certified Public Accountant.
Preston Hopson	48	Executive Vice President, Chief Legal and Human Capital Officer
Mr. Hopson joined us as Senior Vice President, General Counsel and Secretary to the Board of Directors in January 2018, was appointed Executive Vice President, Chief Legal and Human Capital officer in November 2024. He also serves as the Chief Ethics and Compliance Officer. Previously, Mr. Hopson served as Vice President, Assistant General Counsel and Assistant Corporate Secretary at AECOM. Prior to this, he was a corporate and securities lawyer at O’Melveny & Myers LLP and also worked at the U.S. Court of Appeals. Mr. Hopson holds B.A. and J.D. degrees from Yale University.

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