Lisa Stewart serves as Sheridan’s Executive Chairman, a position she has held since April 2020. From the founding of Sheridan in 2006, she served as Chairman, CEO and Chief Investment Officer overseeing all aspects of Sheridan acquisitions and the implementation of Sheridan’s strategy. Ms. Stewart has more than 40 years of experience in the oil and gas industry in engineering and management positions. Prior to founding Sheridan, Ms. Stewart served as Executive Vice President of El Paso Corporation and President of El Paso E&P and other non-regulated businesses. Prior to her time at El Paso, Ms. Stewart spent 20 years at Apache, leaving in January 2004 as Executive Vice President with responsibility for reservoir engineering, business development, land, environmental, health and safety and corporate purchasing. Ms. Stewart holds a B.S. in Petroleum Engineering from The University of Tulsa, where she is a Distinguished Alumni and member of the College of Engineering and Natural Sciences Hall of Fame. She is a member of the Society of Petroleum Engineers and serves on the Board of Directors of Coterra Energy, Inc., Western Midstream Partners and Jadestone Energy.