Mr. Scott D. Sheffield is an Independent Director at The Williams Cos., Inc., a Chairman & Chief Executive Officer at Pioneer Natural Resources GPC, Inc. and a President, Chief Executive Officer & Director at Pioneer Natural Resources Co.
He is on the Board of Directors at The Williams Cos., Inc., Pioneer Natural Resources Co., Maguire Energy Institute, SMU-Cox School of Business and The National Petroleum Council. Mr. Sheffield was previously employed as an Independent Non-Executive Director by Santos Ltd., a Chairman & Chief Executive Officer by Pioneer Natural Resources Gp LLC, a Chairman & Chief Executive Officer by Parker & Parsley Development Co., a Chairman & Chief Executive Officer by Parker & Parsley Petroleum Co., a Production & Reservoir Engineer by Amoco Production Co., and a Chairman & Chief Executive Officer by Pioneer Southwest Energy Partners LP.
He also served on the board at Evergreen Resources, Inc. and America's Natural Gas Alliance.
He received his undergraduate degree from The University of Texas.