Tetra Tech CEO and leadership

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 since October 2008. Batrack has served in numerous capacities over the last 30 years, including project scientist, project manager, operations manager, senior vice president, and president of an operating unit. He has managed complex programs for many small and Fortune 500 clients, both in the United States and internationally. Batrack holds a bachelor’s degree in Business Administration from the University of Washington.

Shoemaker has served as President of Water, Environment & Infrastructure (WEI) since April 2015. Shoemaker leads WEI across our global operations including developing and implementing new strategies for expanding our water and environmental services. She leads a team that focuses on designing the most efficient sustainable infrastructure solutions for our clients, providing innovative solutions to address demand for water supplies, and interdisciplinary solutions to address wastewater and environmental restoration needs. Shoemaker joined us in 1991 and has previously served in various technical and management capacities, particularly in the field of integrated water management and modeling. She has led large scale watershed and master planning studies, led the development of modeling tools, and published in the field of watershed and stormwater modeling and decision-making. Shoemaker led and coordinated Tetra Tech’s Growth Initiatives programs that for more than a decade have linked our scientists and engineers across our operations. From 2005 to 2014, she focused on our Strategic Planning process including oversight of our business development. Shoemaker holds a Bachelor of Arts Degree in Mathematics from Hamilton College, a Master of Engineering Degree from Cornell University, and a Doctorate in Agricultural Engineering from the University of Maryland.

Brownlie was named Senior Vice President, Corporate Risk Management Officer, in 2013. He was appointed Chief Engineer in September 2009. He joined our predecessor in 1981 and was named a senior vice president in December 1993. He has been a vice president since 1988 and served as Senior Vice President and President of Engineering and Consulting Services from December 2005 to September 2009. Brownlie has managed various business units and programs with a primary focus on water resources and environmental services, including work with the U.S. Army Corps of Engineers, the U.S. Air Force, U.S. Bureau of Reclamation, and U.S. Department of Energy. He has served as project manager for complex water resources and restoration projects. Brownlie is a registered Professional Engineer in eleven states. He holds B.S. and M.S. degrees in Civil Engineering from the State University of New York at Buffalo and a Ph.D. in Civil Engineering from the California Institute of Technology.

Carter joined Tetra Tech as Vice President, Corporate Controller and Chief Accounting Officer in June 2011. He previously served as Vice President of Finance and Administration for Wedbush, Inc., a privately held financial services holding company, from September 2009 to June 2011. Carter was Vice President, Financial Planning and Analysis, for AECOM Technology Corporation during 2008 and 2009. He was Executive Vice President, Financial Planning & Analysis and Management Accounting for IndyMac Bancorp, Inc. from 2002 to 2008, and he previously held finance and auditing positions with Huntington Bancshares, Inc.; Nationwide Financial Services, Inc.; and Ernst & Young LLP. Carter holds a B.S. degree in Business Administration from Miami University and is a Certified Public Accountant.

Christensen joined us in 1998 through the acquisition of our Tetra Tech NUS, Inc. operating unit and was named vice president in November 2002. Christensen is responsible for the company’s information services and technologies, including the implementation of our enterprise resource planning system and management of the shared services organization. Previously, Christensen held positions at the NUS, Brown and Root Services, and Landmark Graphics subsidiaries of Halliburton Company, where his responsibilities included contracts administration, finance, and system development. Prior to his service at Halliburton, Christensen held positions at Burroughs Corporation and Apple Computer. Christensen holds B.A. and M.B.A. degrees from Brigham Young University.

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 since October 2008. Batrack has served in numerous capacities over the last 30 years, including project scientist, project manager, operations manager, senior vice president, and president of an operating unit. He has managed complex programs for many small and Fortune 500 clients, both in the United States and internationally. Batrack holds a bachelor’s degree in Business Administration from the University of Washington.