Douglas J. Pferdehirt is Chair and Chief Executive Officer of TechnipFMC. He was previously President and Chief Executive Officer of FMC Technologies and, prior to joining FMC Technologies in 2012, spent 26 years at Schlumberger Limited in a succession of executive leadership positions, including: Executive Vice President of Corporate Development and Communications, President of Schlumberger’s Reservoir Production Group, Vice President of Investor Relations and Communications, President of North and South America Schlumberger, and Vice President of Oilfield Services U.S. Gulf of Mexico.

Mr. Pferdehirt is on the board of directors of the American Heart Association, the American Petroleum Institute, and the Executive Women in Energy Initiative. He is a member of the National Petroleum Council and on the board of trustees of the United Way of Greater Houston.

Robert G. Gwin is currently a private investor and director of Crescent Energy Company. Previously, he was President of Anadarko Petroleum Corporation, until its acquisition by Occidental Petroleum Corporation in August 2019. He also served as Executive Vice President, Finance and Chief Financial Officer from 2009 to 2018.

Mr. Gwin previously served as a director of LyondellBasell Industries N.V. from 2011 to 2018, including serving as its Chairman from 2013 to 2018, and as a director of Enable Midstream Partners, LP from 2020 through 2021. He also previously was a director of Pembina Pipeline Corporation from 2020 to 2023 and of both Western Gas Partners, LP, and its general partner Western Gas Equity Partners, LP from 2007 to 2019, including serving as the Chairman of both entities from 2009 to 2018.

He holds a Bachelor of Science degree from the University of Southern California and a Master of Business Administration degree from the Fuqua School of Business at Duke University. He also earned the Chartered Financial Analyst designation from the CFA Institute.

Eleazar de Carvalho Filho has been a Founding Partner of Virtus BR Partners Assessoria Corporativa Ltda. since May 2009, and is a Founding Partner of Sinfonia Consultoria Financeira e Participações Ltda. since August 2012, both of which are financial advisory and consulting firms. He served as Chief Executive Officer and Managing Partner of Unibanco Investment Bank, a Brazilian investment bank, from April 2008 to March 2009.

Mr. Carvalho Filho was a Consultant for BHP Billiton Metais S.A., a global natural resources company, from 2006 to 2011. He was a Founding Partner of Iposeira Capital Ltda., established in 2003, as well as STK Capital Gestora de Recursos Ltda., established in 2010, which are independent advisory and asset management companies. Mr. Carvalho Filho also serves on the board of directors of Brookfield Renewable Corporation and Companhia Brasileira de Distribuição. In addition to his public directorships, Mr. de Carvalho Filho serves as Chair of the board of trustees of the Brazilian Symphony Orchestra Foundation.

Claire S. Farley formerly served as a Senior Advisor of KKR & Co. L.P. (“KKR”), a global investment firm, from January 2016 to December 2022 and Vice Chair of the Energy business from 2016 to 2021. She began her affiliation with KKR in September 2010 as a co-founder of RPM Energy, LLC, a privately owned oil and gas exploration and development company, which partnered with KKR. Prior to founding RPM Energy, Ms. Farley was Co-President of Jefferies Randall & Dewey. Prior to that, Ms. Farley served as Chief Executive Officer of Randall & Dewey, an oil and gas asset transaction advisory firm, from September 2002 until February 2005, when Randall & Dewey became the oil and gas investment banking group of Jefferies & Company.

Ms. Farley has extensive oil and gas exploration expertise, holding several positions within Texaco from 1981 to 1999, including President of Worldwide Exploration and New Ventures, President of North American Production, and Chief Executive Officer of Hydro-Texaco, Inc. Ms. Farley also serves on the board of directors of LyondellBasell Industries B.V. and Crescent Energy Company. 

Mr. Mullins is Chairman and Chief Executive Officer of Lime Rock Resources, a private equity fund that he co-founded in 2005. He previously served as co-chief executive officer of Lime Rock Resources. Lime Rock is focused on acquiring and developing low-risk oil and gas properties. Prior to co-founding Lime Rock, Mr. Mullins served as a managing director with Goldman Sachs in the Natural Resources Group from 1999 to 2004, as vice president from 1994 to 1999, and as an associate from 1990 to 1994.

Mr. Mullins serves on the board of directors for Valero Energy Company. He is also on the board of trustees of the Baylor College of Medicine and the Greater Houston Partnership. Mr. Mullins previously served on the boards of Anadarko Petroleum Company, Pacific Gas & Electric Company, PG&E Corporation, ConocoPhillips Corporation and LRR Energy, L.P. He holds a bachelor’s degree from Stanford University and a Master of Business Administration degree from the Wharton School of the University of Pennsylvania.

John O’Leary is Chief Executive Officer of Strand Energy, a Dubai-based company specializing in business development in the energy industry, and sits on the Supervisory Board of Huisman Equipment B.V.

He also held various executive positions in Pareto Offshore ASA, the Forasol-Foramer group and the group resulting from the merger between Forasol-Foramer and Pride International, and Vantage Drilling.

Margareth Øvrum gained more than 39 years’ experience at Equinor (formerly Statoil), a Norwegian energy company, where she held a succession of leadership positions including Executive Vice President of Equinor ASA, Development and Production Brazil until her retirement end of 2020; President, Equinor Brazil from 2018 to 2020; Executive Vice President of Technology, Projects, and Drilling from 2011 to 2018; Executive Vice President of Technology and New Energy for Statoil Hydro from 2007 to 2011; Executive Vice President of Technology and Projects from 2004 to 2007; and Executive Vice President of Health, Safety, and the Environment during 2004.

Ms. Øvrum is on the board of directors of FMC Corporation and Harbour Energy plc. She previously served on the board of directors of Transocean Ltd. (2021 to 2025), Alfa Laval AB (2015 to 2019), and Atlas Copco AB (2008 to 2017). In addition to her public directorships, Ms. Øvrum also serves on the board of directors of Fox Innovation and Technology, a private company.

Kay G. Priestly served as Chief Executive Officer of Turquoise Hill Resources Ltd., an international mining company focused on copper, gold, and coal in the Asia Pacific region, from May 2012 until her retirement in December 2014. She previously served as Chief Financial Officer of Rio Tinto Copper (a division of the Rio Tinto Group – Rio Tinto plc and Rio Tinto Limited), a global metal and mining corporation, from 2008 until her appointment as Chief Executive Officer of Turquoise Hill Resources in 2012. From 2006 to 2008, she was Vice President, Finance and Chief Financial Officer of Rio Tinto’s Kennecott Utah Copper operations.

Ms. Priestly served as Vice President, Risk Management and General Auditor for Entergy Corporation, an integrated energy company engaged primarily in electric power production and retail distribution operations, from 2004 to 2006. She previously spent more than 24 years with global professional services firm Arthur Andersen, where she provided tax, consulting and mergers and acquisitions services to global companies across many industries, including energy, mining, manufacturing, and services. Ms. Priestly currently serves on the board of directors of SSR Mining Inc.

John Yearwood was Chief Executive Officer, President, and Chief Operating Officer of Smith International, Inc., which was a supplier of services and manufactured products to oil and gas exploration and production companies, from 2009 to 2010 when Smith International merged with Schlumberger Limited. He served as Smith International’s Executive Vice President and President of Completion and Production from September to December 2008. Prior to joining Smith International, Mr. Yearwood spent more than 26 years at Schlumberger in a succession of executive leadership positions, including President of North and South America Oilfield Services; Vice President, Finance, WesternGeco; and Oilfield Services Controller.

Mr. Yearwood currently serves on the board of directors of Nabors Industries Ltd as Lead Director, and on the board of directors of Vast Renewables Limited. He also serves on the boards of Sheridan Production Partners, Foro Energy, and Coil Tubing Partners.

Sophie Zurquiyah has been Chief Executive Officer of Viridien, formerly known as CGG S.A. (“CGG”), an advanced technology, digital, and earth data leader, since April 2018. She was appointed Chair of Viridien's board of directors in April 2025. Ms. Zurquiyah has held a succession of leadership positions at Viridien, including as Senior Executive Vice President in charge of the Geology, Geophysics, and Reservoir segment. Ms. Zurquiyah joined Schlumberger Limited in 1991 as an interpretation engineer and geophysicist and held successively senior positions before joining CGG in 2013. She served as Schlumberger’s Vice President of Technology Sustaining from August 2012 to January 2013, as well as its President, Data and Consulting Services from May 2009 to July 2012. Prior to this, she was Schlumberger’s Chief Information Officer from January 2007 to April 2009.