| John J. Christmann |
John J. Christmann is currently the President & Chief Executive Officer at Apache Corp., the Chief Executive Officer & Director at APA Corp., the President & Chief Executive Officer at Apache Offshore Investment Partnership, and a Member of the Petroleum Engineering Academy at Texas Tech University. He previously worked as a Principal at Vastar Resources, Inc. and Arco Oil & Gas Co. He holds an MBA from Southern Methodist University and an undergraduate degree from Colorado School of Mines. |
| Travis R. Osborne |
Travis R. Osborne is currently working as the Vice President-Information Technology at Apache Corp. since 2020 and at APA Corp. since 2012. Mr. Osborne completed his undergraduate degree at Texas A&M University. |
| H. Lamar McKay |
H. Lamar McKay is currently the Non-Executive Chairman at Apache Corp., Chairman at BP Group Plc, Non-Executive Chairman at APA Corp., Independent Non-Executive Director at CRH Plc, Director at U.S.-Russia Business Council, and Member-Executive Committee at American Petroleum Institute, Inc. He previously held positions as Chairman & President at BP America, Inc., Director at TNK-BP Ltd., Chief Transition Officer at BP Plc, and Principal at Amoco Production Co. He obtained his undergraduate degree from Mississippi State University. |
| David Clay Bretches |
David Clay Bretches is currently the Chairman-Coordinating Subcommittee at The National Petroleum Council. He is also the Executive Vice President-Operations at Apache Corp. and APA Corp. Previously, Mr. Bretches served as the President, Chief Executive Officer & Director at Sendero Midstream Partners LP from 2014 to 2019. He was also the President, Chief Executive Officer & Director at Sendero Midstream GP LLC. Additionally, he held the position of President, Chief Executive Officer & Director at Altus Midstream Co. from 2019 to 2022. Mr. Bretches has also worked as the President & Chief Executive Officer at Kinetik Holdings, Inc. and as the Director-Gulf Coast Chapter at JDRF International. He has served as a Director at The Natural Gas Supply Association, Texas Hearing Institute, and MemberSource Credit Union. Earlier in his career, Mr. Bretches was the VP-Exploration & Production Business Services at Anadarko Petroleum Corp. from 2012 to 2014. He also worked as a Principal at Vastar Resources, Inc. and Arco Oil & Gas Co. Mr. Bretches completed his undergraduate degree at Texas A&M University and holds an MBA from The University of Texas at Austin. |
| Stephen J. Riney |
Stephen J. Riney is currently the Chief Financial Officer & Executive Vice President at Apache Corp., the President & Chief Financial Officer at APA Corp., and the President & Chief Financial Officer at Callon Petroleum Co. Previously, he held the position of Head-Mergers & Acquisitions at BP Plc from 2007 to 2012, and Chief Financial Officer at BP Exploration & Production, Inc. from 2012 to 2015. He obtained an undergraduate degree from the University of Notre Dame and an MBA from The University of Chicago Booth School of Business. |
| Rebecca A. Hoyt |
Rebecca A. Hoyt is currently the Director at the University of Houston Foundation since 2021. She is also currently serving as the Chief Accounting Officer, Senior VP & Controller at Apache Corp. since 1993 and at APA Corp. since 2021. Previously, she worked as an Audit Manager at Arthur Andersen LLP from 1992 to 1993 and as the Chief Accounting Officer, Senior VP & Controller at Altus Midstream Co. Ms. Hoyt completed her undergraduate degree at the University of Houston. |
| Mark D. Maddox |
Mark D. Maddox is currently the Senior Vice President-Administration at Apache Corp. since 2020 and the Executive Vice President-Administration at APA Corp. since 2015. Previously, he worked as the Director-Energy & Resources at Deloitte LLP (California) from 2010 to 2014. He also held the position of Principal-Oil & Gas Advisory Services at Ernst & Young LLP. Prior to that, he was the Vice President-Oil, Gas & Chemicals at SAP America, Inc. from 1998 to 2009. Mr. Maddox completed his undergraduate degree at Louisiana State University. |
| Amy H. Nelson |
Amy H. Nelson is the founder and currently holds the position of President & Director at Greenridge Advisors LLC, which was founded in 2007. She is also currently serving as a Director at Apache Corp., Patterson-UTI Energy, Inc., Helix Energy Solutions Group, Inc., EnerCorp Engineered Solutions, Inc., and APA Corp. Ms. Nelson has previously held positions as a Director at Enventure Global Technology LLC, National Association of Corporate Directors (Virginia), and C&J Energy Services, Inc. She was also an Independent Director at NexTier Oilfield Solutions LLC from 2019 to 2023. Ms. Nelson started her career as a Principal at Amoco Production Co. from 1992 to 1998 and later served as Vice President at SCF Partners LLC from 2000 to 2007. She completed her undergraduate studies at Rice University and holds an MBA from Harvard Business School. |
| Annell R. Bay |
Annell R. Bay is currently a Director at Apache Corp., an Independent Non-Executive Director at Hunting Plc, and a Director at The National Ocean Industries Association. She is also an Independent Director at APA Corp. and a Trustee at Trinity University, the American Geosciences Institute, and the American Association of Petroleum Geologists. In the past, she worked as a Vice President at Kerr-McGee Corp., Manager of International Exploration at Oryx Energy Co., Exploration Geologist at Shell Oil Co., Senior Vice President of Global Exploration at Marathon Oil Corp., Vice President of Americas Exploration at Shell Exploration & Production Co., and Senior Vice President of Worldwide Exploration at Marathon Oil Co. She also served as an Independent Director at Verisk Analytics, Inc. and Vice President of Worldwide Exploration at Anadarko US Offshore LLC. Ms. Bay received her undergraduate degree from Trinity University in 1977 and her graduate degree from The University of Texas at Austin in 1980. |
| David L. Stover |
David L. Stover is currently a Director at Junior Achievement of Southeast Texas, Inc., an Independent Director at APA Corp., and a Member at Society of Petroleum Engineers, Inc. Previously, he was the Chairman & Chief Executive Officer at Noble Energy, Inc. from 2018 to 2020, and an Area Manager at Vastar Resources, Inc. from 1994 to 2000. He also served as Vice President at BP America, Inc. in 2002. Additionally, he was the President of Spindletop Charities, Inc. He received his undergraduate degree from The Pennsylvania State University. |
| Juliet S. Ellis |
Juliet S. Ellis is currently working as a Director at Apache Corp., as well as a Director at The Methodist Hospital. She is also an Independent Director at Donnelley Financial Solutions, Inc., APA Corp., and a Member at Women Corporate Directors. In her former positions, Ms. Ellis worked as a Managing Director & Senior Manager-Portfolio at Invesco Ltd. She was also a Managing Director at JPMorgan Fleming Asset & Wealth Management from 2000 to 2003. Prior to that, she worked as a Financial Consultant at Merrill Lynch, Pierce, Fenner & Smith, Inc. from 1981 to 1986. Ms. Ellis also served as a Portfolio Manager at JPMorgan Chase & Co. from 1987 to 2004. She then became a Senior Portfolio Manager & CIO at Invesco Advisers, Inc. from 2004 to 2019, and Chief Investment Officer-US Growth Equities at Invesco, Inc. from 2008 to 2019. Ms. Ellis obtained her undergraduate degree from Indiana University in 1981. |
| Chansoo Joung |
Chansoo Joung is currently serving as a Director at Apache Corp., an Independent Director at Magellan Midstream Partners LP, a Director at Floridian Natural Gas Storage Co. LLC, and an Independent Director at APA Corp. Previously, he held positions as a Director at Targa Resources Partners LP, Targa Resources GP LLC, and Targa Resources Corp. He also served as a Managing Director at Goldman Sachs & Co. LLC, a Principal at Goldman Sachs Asset Management LP, a Partner at Warburg Pincus & Company US LLC, and an Advisor at Warburg Pincus LLC. Additionally, he was a Director at Suniva, Inc., Ceres, Inc. (California), TRI Resources, Inc., Broad Oak Energy, Inc., and Magellan GP LLC. Mr. Joung obtained his undergraduate degree and MBA from Dartmouth College. |
| Daniel Wayne Rabun |
Daniel Wayne Rabun is currently the Chairman at ChampionX Corp. and the Director at Apache Corp., Golar LNG Ltd., Borr Drilling Ltd., and APA Corp. He is also a Member of the State Bar of Texas and the Association of Certified Public Accountants. Previously, he served as the Non-Executive Chairman at Valaris Plc and ENSCO International, Inc. He was also a Partner at Baker & McKenzie LLP (Illinois) and a Member of the International Association of Drilling Contractors. Mr. Rabun holds a graduate degree from Southern Methodist University and an undergraduate degree from the University of Houston. |
| Peter A. Ragauss |
Peter A. Ragauss is currently an Independent Director at The Williams Cos., Inc., a Director at Alley Theatre, a Director at Baltic-American Freedom Foundation, a Director at JSC Skulte Lng Terminal, and an Independent Director at APA Corp. Previously, he held positions such as Assistant Group Chief Executive Officer at BP Amoco Corp., Chief Executive Officer at BP Products North America, Inc., Chief Financial Officer & Senior Vice President at Baker Hughes Holdings LLC, Controller-Refining & Marketing at BP Plc, Vice President-Finance at El Paso Energy International Co., Vice President-Corporate Development at Tenneco Energy, Vice President-Finance & Portfolio Management at Amoco Energy International, and Chief Financial Officer at Baker Hughes Co. He obtained an undergraduate degree from Michigan State University and an MBA from Harvard Business School. |
| Charles W. Hooper |
Charles W. Hooper is currently an Independent Director at General Dynamics Corp., a Director at The National Bureau of Asian Research, a Director at LOC Performance Products LLC, a Director at UL, Inc. (United States), a Director at UL LLC (Illinois), a Director at Two Six Technologies, Inc., an Independent Director at APA Corp., a Director at UL LLC, a Director at Two Six Technologies Holdings, Inc., an Independent Director at UL Solutions, Inc., a Member of the Council on Foreign Relations, Inc., and a Trustee of The National World War II Museum, Inc. He previously served as the Director of the Defense Security Cooperation Agency from 2017 to 2020. Mr. Hooper holds an undergraduate degree from the US Military Academy, a graduate degree from the U.S. Army War College, and a graduate degree from the Harvard Kennedy School of Government. |
