| Scott Douglas Sheffield |
Scott Douglas Sheffield is the founder of Pioneer Natural Resources Co., which was founded in 1997. He is currently the Chairman & Chief Executive Officer at Pioneer Natural Resources GPC, Inc. since 2007. He also holds the position of Independent Director at The Williams Cos., Inc. since 2016. Additionally, he serves as a Director at The National Petroleum Council, Maguire Energy Institute, and SMU-Cox School of Business. In his former positions, Mr. Sheffield was the Chairman & Chief Executive Officer at Parker & Parsley Petroleum Co. from 1989 to 1997. He was also the Chief Executive Officer at Pioneer Southwest Energy Partners LP from 2007 to 2009. Furthermore, he held the role of Chairman & Chief Executive Officer at Parker & Parsley Development Co. from 1979 to 1989 and at Pioneer Natural Resources Gp LLC from 2008 to 2013. He served as a Director at Evergreen Resources, Inc. from 1996 to 2004 and as an Independent Non-Executive Director at Santos Ltd. from 2014 to 2017. He has also been a Director at America's Natural Gas Alliance and worked as a Production & Reservoir Engineer at Amoco Production Co.Mr. Sheffield obtained his undergraduate degree from The University of Texas at Austin. |
| Christopher L. Washburn |
Christopher L. Washburn is currently the Chief Accounting Officer & Vice President at Pioneer Natural Resources Co. He completed his undergraduate and graduate degrees at West Texas A&M University. |
| Neal H. Shah |
Neal H. Shah is currently the Chief Financial Officer & Executive Vice President at Pioneer Natural Resources Co. Prior to his current position, he worked as a Junior Equity Research Analyst at Piper Sandler & Co. (Broker), a Principal at Goldman Sachs & Co. LLC, a Research Analyst at RBC Capital Markets LLC, and a Vice President & Senior Research Analyst at Nuveen Asset Management LLC. He also held the position of Vice President at Nuveen LLC from 2006 to 2016. Mr. Shah completed his undergraduate degree at Louisiana State University and earned an MBA from The University of Chicago Booth School of Business. |
| Mark H. Kleinman |
Mark H. Kleinman is currently the Executive Vice President & General Counsel at Pioneer Natural Resources Co. He is also a Member of the State Bar of Texas. Previously, he worked as the Assistant General Counsel at Sterling Software, Inc. from 1996 to 2000, and as the Vice President & General Counsel at Inet Technologies, Inc. from 2000 to 2004. From 2008 to 2013, he served as the Chief Compliance Officer & Vice President at Pioneer Southwest Energy Partners LP. He also worked as an Associate at Jackson Walker LLP and was a Member-Editorial Board at Texas Law Review. Mr. Kleinman holds an undergraduate degree from The University of Texas at Austin and a graduate degree from The University of Texas School of Law. |
| Mark Stephen Berg |
Mark Stephen Berg is currently the Vice Chairman at Permian Strategic Partnership, Inc., the Director, EVP-Corporate & Head-Operations at Pioneer Natural Resources USA, Inc., and the Director at Texas Oil & Gas Association. He is also a Director at ProPetro Holding Corp. since 2019 and an Executive Vice President-Corporate Operations at Pioneer Natural Resources Co. since 2005. Additionally, he is a Member of the State Bar of Texas and a Trustee at the University of Texas Law School Foundation. In the past, he served as the Chairman of Dallas CASA, Inc. from 1997 to 2002, an Independent Director at HighPoint Resources Corp. from 2018 to 2020, the Secretary, EVP & General Counsel at American General Corp. from 1997 to 2000, the Secretary, Senior Vice President & General Counsel at Hanover Compressor Co. from 2002 to 2004, the Executive Vice President & General Counsel at Pioneer Southwest Energy Partners LP from 2007 to 2013, a Partner at Vinson & Elkins LLP from 1990 to 1997, and the Executive Vice President & General Counsel at Pioneer Natural Resources Gp LLC from 2007 to 2013. Mr. Berg obtained his undergraduate degree from Tulane University in 1980 and his graduate degree from The University of Texas School of Law in 1983. |
| Bonnie S. Black |
Bonnie S. Black is currently the Director at Innovex Downhole Solutions, Inc. since 2023 and the Executive Vice President-Technology & Operations at Pioneer Natural Resources Co. since 2007. She completed her undergraduate degree at Texas A&M University. |
| James Kenneth Thompson |
James Kenneth Thompson is currently the President & Chief Executive Officer at Pacific Star Energy LLC since 2000. He is also the Chairman at Pioneer Natural Resources Co. since 2011, Church Development Fund, Inc. since 2017, and Cdf Capital since 2017. Additionally, he serves as an Independent Director at Alaska Air Group, Inc. since 1999, and as a Director at Alaska Airlines, Inc., Coeur Mining, Inc., Horizon Air Industries, Inc., Virgin America, Inc., and The Nature Conservancy in Alaska. In his former positions, Mr. Thompson was the Chairman at Provision Ministry Group from 2014 to 2015, Managing Director at Alaska Venture Capital Group LLC from 2004 to 2012, and Independent Director at Tetra Tech, Inc. from 2012 to 2024. He also served as an Executive Vice President at Atlantic Richfield Co., Inc., ARCO Indonesia, Inc., ARCO China, Inc., Atlantic Richfield Indonesia, Inc., Atlantic Richfield Co. (Singapore), ARCO Pte Ltd., and Arco Alaska, Inc. from 1998 to 2000. Mr. Thompson obtained his undergraduate degree from Missouri University of Science & Technology. |
| Richard P. Dealy |
Richard P. Dealy is currently the President, Chief Executive Officer, COO & Director at Pioneer Natural Resources Co. He is also the Chief Financial Officer & Director at Pioneer Natural Resources USA, Inc. Additionally, he serves as an Independent Director at Compass Minerals International, Inc. and as the Chief Financial Officer, Treasurer, Director & EVP at Pioneer Natural Resources GPC, Inc. Previously, Mr. Dealy held the position of Chief Financial Officer, Treasurer, Director & EVP at Pioneer Southwest Energy Partners LP from 2007 to 2013. He also served as the Chief Financial Officer, Treasurer, Director & EVP at Pioneer Natural Resources Gp LLC from 2007 to 2013. Prior to that, he was the Vice President & Controller at Parker & Parsley Petroleum Co. from 1992 to 1997. He started his career as a Principal at KPMG LLP. Mr. Dealy obtained his undergraduate degree from Eastern New Mexico University. |
| Maria Simona Dreyfus |
Maria Simona Dreyfus is the founder and the Chief Executive Officer of Ardinall Investment Management LP, which was founded in 2017. She is currently an Independent Director at Cadiz, Inc. since 2023, Pioneer Natural Resources Co. since 2021, and holds director positions at Ogin, Inc., Breakthrough New York, Caisse de dépôt et placement du Québec - White, Nabors Energy Transition Corp. II, and is a Member of The Economic Club of New York. She is also a Member-Young Leaders Circle at Manhattan Institute For Policy Research, Inc. and an Advisor at Eni Next LLC. Previously, she worked as a Managing Director at Goldman Sachs Asset Management LP, a Director at Macquarie Infrastructure Holdings, LLC, and a Managing Director & Portfolio Manager at Goldman Sachs Investment Partners from 2008 to 2017. She also served as an Independent Director at Nabors Energy Transition Corp. and was a Member of New America Alliance, Inc. She has an undergraduate degree from Massachusetts Institute of Technology, conferred in 2002. |
| Matthew M. Gallagher |
Matthew M. Gallagher occupies the position of President & Chief Executive Officer for Greenlake Energy Ventures LLC, Senior Director at Riverside Partners LLC (New York), President & Director at Parsley Finance Corp. and Venture Partner at Natural Gas Partners LLC. He is also on the board of Chesapeake Energy Corp., Pioneer Natural Resources Co. and Tap Rock Resources LLC and Member-Permian Basin at Society of Petroleum Engineers, Inc. and Member of West Texas Geological Society.
He previously occupied the position of President, Chief Executive Officer & Director at Parsley Energy, Inc., Vice President-Engineering & Geoscience at Parsley Energy LP and Head-Investor Relations of Pioneer Southwest Energy Partners LP.
He received an undergraduate degree from Colorado School of Mines. |
| Lori George Billingsley |
Lori George Billingsley is an Independent Director at Pioneer Natural Resources Co. and Shake Shack, Inc. She is also a Director at Leadership Atlanta, Inc., The Coca-Cola Foundation, Inc., Naacp Foundation, ColorComm, Inc., and a Member at Executive Leadership Council, Inc. Additionally, she is a Trustee at National Association for the Advancement of Colored People. In the past, she has worked as Chairman-Women’s Network at American University, Vice Chairman at Congressional Black Caucus Foundation, Inc., Director at Women's Business Enterprise National Council, Director at Atlanta Mission, Director at United Way of Greater Atlanta, Inc., Vice President at Porter Novelli, Inc., Vice President-Community & Stakeholder Relations at Coca-Cola North America, and Vice President-Community Relations at Coca-Cola Refreshments, Inc. She has also earned a graduate degree from American University and an undergraduate degree from Howard University. |
| Stacy P. Methvin |
Stacy P. Methvin is currently the Chairman-Supervisory Board at Oiltanking GmbH, Chairman at Houston Zoo, Inc., Chairman at Memorial Hermann Health System, Independent Director at Pioneer Natural Resources Co., Independent Director at Magellan Midstream Partners LP, Independent Director at xF. Technologies, Inc., and Trustee at Springside Chestnut Hill Academy. Previously, Ms. Methvin served as the Vice Chairman-Supervisory Board at Marquard & Bahls AG, Chairman at Girl Scouts of San Jacinto Council, Director at Memorial Hermann Healthcare System, Independent Director at Magellan GP LLC, Director at Shell Downstream, Inc., Vice President-Refining Margin Optimization at Shell Oil Co., President at Shell Exploration & Production Co., President at Shell Pipeline Co. LP, President at SWEPI LP, President at Shell Deer Park Refining Co., President at Shell Chemical LP, and President at Shell Louisiana E&P Co. Ms. Methvin obtained an undergraduate degree from Princeton University in 1979. |
| Phoebe A. Wood |
Phoebe A. Wood is currently serving as the Chairman-Trustees Board at American Printing House for the Blind, Inc. She is also an Independent Director at Leggett & Platt, Inc., PPL Corp., Pioneer Natural Resources Co., and Invesco Ltd. Additionally, she holds director positions at Rooibee Red Tea Co., TNG Pharmaceuticals, Inc., Pitzer College, and GoodMaps, Inc. Ms. Wood is a Member & Principal at CompaniesWood Properties LLC and a Trustee at Gheens Foundation, Inc. In her former roles, Ms. Wood served as the Vice Chairman & Chief Financial Officer at Brown-Forman Corp. from 2006 to 2008. She was also the Chairman of Investment Governance, Inc. Furthermore, she held director positions at Coca-Cola Enterprises, Inc., OshKosh B'gosh, Inc., and Propel, Inc. (Illinois). Ms. Wood served as an Independent Director at Coca-Cola Enterprises, Inc. from 2010 to 2016. She was the Vice President-Finance, Planning & Control at Atlantic Richfield Co., Inc. from 1976 to 2000. Additionally, she served as a Trustee at Smith College from 2001 to 2011 and at the University of Louisville from 2009 to 2015. Ms. Wood completed her MBA from the University of California, Los Angeles in 1980. She also holds an undergraduate degree from Smith College. |
| Royce W. Mitchell |
Royce W. Mitchell is an Independent Director at Pioneer Natural Resources Co. and a Director at Pioneer Natural Resources GPC, Inc. He previously served as an Independent Director at Pioneer Southwest Energy Partners LP, Independent Director at ProPetro Holding Corp., Chief Financial & Accounting Officer and Executive VP at Key Energy Services, Inc., and Partner at KPMG LLP. He also served as Chief Financial Officer at Vistronix, Inc. and Frac Tech Services LLC. Mitchell received his undergraduate degree from Texas Tech University. |
| A. R. Alameddine |
A. R. Alameddine is an Independent Director at Pioneer Natural Resources Co. since 2021. Previously, he was the Lead Independent Director at Parsley Energy, Inc. from 2013 to 2021. He worked as a Manager-Acquisition, Trade and Sales at Mobil Exploration & Producing U.S., Inc. from 1990 to 1997. He also served as a Member at Gas Venture Group. Mr. Alameddine completed his undergraduate degree from Louisiana State University in 1971. |
