Mark S. Berg

Mark S. Berg headshot
Mark S. Berg

Executive Vice President, Corporate/Vertically Integrated Operations

Mark Berg oversees Business Development, Land, Regulatory Affairs, Government Affairs, Corporate Communications and Vertically Integrated Operations at Pioneer Natural Resources, where he serves on the Management Committee as an Executive Vice President. Prior to his current role, he was Executive Vice President and General Counsel for the company, which he joined in 2005.

Berg began his career in 1983 with the Houston-based law firm of Vinson & Elkins, eventually becoming a partner focused on international transactions. He then moved to American General Corporation, a Fortune 200 diversified financial services company, as Executive Vice President, General Counsel and Secretary, and oversaw its $27 billion sale to Prudential in 2001. Following that, he was Senior Vice President, General Counsel and Secretary of Hanover Compressor Company, a NYSE company specializing in natural gas compression and processing.

Berg is active in public policy matters and was instrumental in leading the effort to lift the U.S. crude oil export ban in 2015. He is founding Vice Chairman of the Permian Strategic Partnership and a member of the board of the Texas Oil and Gas Association. He also serves on the boards of High Point Resources, ProPetro, the University of Texas Law School Foundation and Dallas CASA, where he is a former chairman.

Berg received his Juris Doctor, with honors, from the University of Texas School of Law and graduated magna cum laude and Phi Beta Kappa with a Bachelor of Arts in Public Policy from Tulane University.