Mr. Shellebarger is an independent member of the Board of Directors. He serves as Chair of the Environment, Health & Safety Committee and as a member of the Audit Committee. Mr. Shellebarger is an “audit committee financial expert,” as defined by the Securities and Exchange Commission. 

Mr. Shellebarger brings to the Board over 40 years of U.S. and global oil and gas industry experience across the exploration and production value chain with significant experience, expertise, and perspectives on leadership, business performance, investment strategy, regulatory policy, stakeholder engagement, and governance. 

Mr. Shellebarger retired in 2019 after a 38-year career at Chevron, most recently as President of Chevron’s North American E&P (Exploration and Production) Operating Company. His prior leadership roles at Chevron included President and Managing Director of Chevron’s IndoAsia Business Unit, Executive Director at Chevron Pacific Indonesia, General Manager of Asset Development for the Southern Africa SBU, and General Manager of the San Joaquin SBU.

Mr. Shellebarger previously served as Chairman for the American Petroleum Institute’s Upstream Committee and as Chairman of the Twenty-Third World Petroleum Congress, convening top energy and government leaders to discuss the future of the industry. He also previously chaired the Greater Houston Partnership. He currently serves on the Board of Directors of Texans for Lawsuit Reform and the Greater Houston Partnership Executive Committee.