Dr. Stephen I. Chazen is a Chairman at Occidental Petroleum Corp., a Chairman. President & Chief Executive Officer at Magnolia Oil & Gas Operating LLC, a Chairman, President & Chief Executive Officer at Magnolia Oil & Gas Corp., an Independent Director at The Williams Cos., Inc., a Member at The National Petroleum Council and a Member-Leadership Council at The Methodist Hospital.
He is on the Board of Directors at The Williams Cos., Inc., Emirates Foundation, The Methodist Hospital Research Institute, The National Park Foundation and Aquarium of the Pacific. Dr. Chazen was previously employed as a Chairman, President & Chief Executive Officer by TPG Pace Energy Holdings Corp., an Independent Director by Ecolab, Inc., a Managing Director-Finance, Mergers & Acquisition by Merrill Lynch & Co., Inc. /Old/, a Director-Project Evaluation & Reservoir by Columbia Gas Development Corp., a Laboratory Manager by Johnson Space Center Federal Credit Union, Inc., a Laboratory Manager by NASA Johnson Space Center, a Laboratory Manager by New P, Inc., a Chairman by American Petroleum Institute, Inc., a Chairman by Catalina Island Conservancy, and a President & Chief Executive Officer by Occidental Petroleum Investment Co.
He also served on the board at University of Houston System Board of Regents, Washington Mutual, Inc., Lyondell Chemical Co. and Premcor, Inc.
He received his undergraduate degree from Rutgers State University of New Jersey, a graduate degree from the University of Houston and a doctorate degree from Michigan State University.