Elijio V. Serrano was appointed to the Board in August, 2022. He serves as Chair of the HR&C Committee and is a member of the Audit Committee and the G&N Committee. Mr. Serrano is the Senior Vice President and Chief Financial Officer of TETRA Technologies Inc. (NYSE: TTI), a geographically diversified industrial and oil and gas services company headquartered in The Woodlands, Texas. Prior to joining TETRA Technologies Inc., 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. Prior to his time with UniversalPegasus, he held numerous leadership positions at Paradigm BV, EGL, and Schlumberger. Mr. Serrano also served as Director, Chairman of the Audit Committee, and as a member of the Corporate Governance and Nominating Committee of Tesco Corporation until its acquisition by Nabors in December 2017. Mr. Serrano received his Bachelor of Business Administration 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.