Tetra Technologies, Inc.
Stuart M. Brightman

CEO

Stuart M. Brightman has served as our Chief Executive Officer and as a director since May 2009. From May 2009 until February 2018, he also served as our President. He served as our Executive Vice President and Chief Operating Officer from April 2005 through May 2009. Mr. Brightman also serves as chairman of the board of directors of our CSI Compressco GP Inc. subsidiary, the general partner of CSI Compressco LP ("CSI Compressco" or “CCLP”), one of our consolidated subsidiaries and a publicly traded limited partnership subject to the reporting requirements of the Exchange Act. From April 2004 to April 2005, Mr. Brightman was self-employed. Mr. Brightman served as president of the Dresser Flow Control division of Dresser, Inc. from April 2002 until April 2004. From November 1998 to April 2002, Mr. Brightman was president of the Americas Operation of the Dresser Valve Division of Dresser, Inc. He served in other capacities during the earlier portion of his career with Dresser, from 1993 to 1998. From 1982 to 1993, Mr. Brightman served in several financial and operational positions with Cameron Iron Works and its successor, Cooper Oil Tools. Mr. Brightman also serves on the board of directors and as a member of the compensation and nominating and governance committees of C&J Energy Services, Inc., a public company subject to the reporting requirements of the Exchange Act. Mr. Brightman received his B.S. degree from the University of Pennsylvania and his Master of Business Administration degree from the Wharton School of Business.

Brady M. Murphy

President and Chief Operating Officer

Brady M. Murphy has served as our President and Chief Operating Officer since February 2018. Prior to joining TETRA, Mr. Murphy served as chief executive officer of Paradigm Group B.V., a private company focused on strategic technologies for the upstream energy industry, from January 2016 until February 2018. Mr. Murphy previously served at Halliburton Company and its affiliated companies for 26 years and held numerous international and North America positions, most recently as senior vice president - global business development and marketing from 2012 to December 2015, as senior vice president - business development Eastern Hemisphere from 2011 to 2012, and as senior vice president - Europe/Sub –Saharan Africa region from 2008 to 2011. Earlier in his career, from 1981 until 1989, Mr. Murphy held several positions with increasing responsibility at Gerhart Industries. Mr. Murphy received his B.S. degree in Chemical Engineering from Pennsylvania State University and is an alumnus of Harvard Business School’s Advanced Management Program.

Elijio V. Serrano

Senior Vice President and CFO

Elijio V. Serrano has served as our Senior Vice President and Chief Financial Officer since August 2012. Mr. Serrano served as chief financial officer of UniversalPegasus International, a global project management, engineering and construction management company, from October 2009 through July 2012. Following his resignation from Paradigm BV in February 2009 and until his acceptance of the position with UniversalPegasus International in October 2009, Mr. Serrano was retired. From February 2006 through February 2009, Mr. Serrano served as chief financial officer and executive vice president of Paradigm BV (formerly, Paradigm Geophysical Ltd.), a provider of enterprise software solutions to the oil and gas industry. From October 1999 through February 2006, Mr. Serrano served as chief financial officer of EGL, Inc., a publicly-traded transportation and logistics company subject to the reporting requirements of the Securities Exchange Act of 1934. From 1982 through October 1999, Mr. Serrano was employed in various capacities by Schlumberger Ltd., including as vice president and general manager of the western hemisphere operations of Schlumberger’s Geco-Prakla seismic division (from 1997 to 1999), as group controller for the global operations of the Geco-Prakla seismic division (from 1996 to 1997), and from 1992 to 1996, as controller of various geographical units of the Geco-Prakla seismic division. Mr. Serrano served as a director, chairman of the audit committee, and as a member of the corporate governance and nominating committee of Tesco Corporation, a public company subject to the reporting requirements of the Exchange Act, until its acquisition by Nabors Industries Ltd. in December 2017. Mr. Serrano received his B.B.A. degree in Accounting and Finance from the University of Texas at El Paso. Mr. Serrano was a certified public accountant in the State of Texas from 1986 until March 2002, at which time his license became inactive.

Bass C. Wallace, Jr.

Senior Vice President and General Counsel

Bass C. Wallace, Jr. has served as our General Counsel since 1994 and as a Senior Vice President since May 2011. Mr. Wallace served as our Corporate Secretary from 1996 until May 2013. From 1984 to 1994 he was engaged in the private practice of law. Mr. Wallace received his B.A. degree in Economics from the University of Virginia and his J.D. degree from the University of Texas School of Law.

Matthew J. Sanderson

Senior Vice President

Matthew J. Sanderson has served as Senior Vice President with responsibility for our Energy Services Group since December 2016. Prior to joining TETRA, Mr. Sanderson most recently served as Regional Vice President - U.S. West at Schlumberger from October 2015 to November 2016. Mr. Sanderson started his career as a Field Engineer at Schlumberger in 1997 and held various engineering and managerial roles with increasing responsibility, including Vice President Wireline Production Services from December 2014 to September 2015 and QHSE Manager from October 2012 to November 2014. As Senior Vice President at TETRA, Mr. Sanderson also has primary responsibility for the Production Testing and Fluids engineering groups in addition to his managerial responsibilities at TETRA. He earned a Bachelor of Applied Science in Civil Engineering from Queen's University in Kingston, Canada and a Master's of Science in Oil & Gas Industry Management from Heriot-Watt University in Edinburgh, Scotland.

Owen Serjeant

President and Director of CSI Compressco GP Inc.

Owen Serjeant has served as President and a director of our subsidiary, CSI Compressco GP Inc., the general partner of CSI Compressco LP, since November 2017. Mr. Serjeant served as Group Vice President – Global Operational Support of Schlumberger Limited, a publicly traded company subject to the reporting requirements of the Securities Exchange Act of 1934, from April 2016 to November 2017. From July 1999 until April 2016, Mr. Serjeant served in various senior operations management roles with increasing responsibility, including most recently as Corporate Vice President – Global Operational Excellence and Group Vice President - Compression Systems Division, at Cameron International Corporation, a publicly traded company prior to its acquisition by Schlumberger in April 2016. Mr. Serjeant began his career with Cooper Energy Services and served in a variety of operations, engineering, marketing, and sales roles from 1981 to 1999. He earned his BSc degree in Mechanical Engineering from Aston University, United Kingdom, and his MBA degree from Henley Management College, United Kingdom.

Jim Funke

Vice President

Jim Funke has served as Vice President since November 2007 and manages TETRA’s chemicals manufacturing business. From July 1998 to November 2007 he served as our Vice President, Sales and Marketing for the chemical business. Mr. Funke began his career in finance at Mallinckrodt in 1979 and held various finance, sales and marketing roles with increasing responsibility, including International Business Director. Mr. Funke received his Bachelor of Science Degree in Accounting from the University of Missouri in St. Louis.

Elisabeth K. Evans

Vice President - Human Resources

Elisabeth K. Evans has served as our Vice President - Human Resources since January 2013. Ms. Evans served as senior vice president of human resources and corporate communications of Boardwalk Pipeline Partners, LP, a midstream master limited partnership that provides transportation, storage, gathering, and processing of natural gas and liquids, from February 2009 through September 2012. Following her departure from Boardwalk Pipeline Partners, LP and until her acceptance of the position with us in January 2013, Ms. Evans was engaged in independent consulting on human resources issues. From April 2003 through January 2009, Ms. Evans served as vice president of human resources and administrative services for AGL Resources Inc., and from 1999 through 2001, she served as a global human resources director for Accenture, Ltd. Ms. Evans was employed in various capacities by ARAMARK Corporation, including as human resources director, from 1994 through 1999. From 1988 through 1994, Ms. Evans served in human resources positions with BP. Ms. Evans received her B.A. and M.A. degrees in Economics from Indiana University.

Joseph J. Meyer

Vice President - Finance and Treasurer

Joseph J. Meyer has served as our Vice President - Finance and Treasurer since February 2015. He served as treasurer of JBT Corporation, a multi-national equipment and technology solutions provider to the food processing and air transportation industries, from July 2008 through May 2014. From June 2014 until January 2015, Mr. Meyer was self-employed. From June 2001 until July 2008, Mr. Meyer served as director, treasury operations of FMC Technologies, Inc., a multi-national company within the oil and gas equipment and services industry, food processing equipment industry, and air transportation equipment industry, and from 1995 until 2001 served in various managerial roles within the treasury department of FMC Corporation. From 1988 through 1994, Mr. Meyer held positons with increasing responsibility with several national banks. Mr. Meyer received his B.S. degree in Finance from the University of Illinois at Urbana-Champaign and his MS in Management from Northwestern University.