Board of Directors

Jose Bayardo

Chairman, President, and CEO

Jose Bayardo is Chairman, President, and CEO of NOV. Previously, he served as NOV’s Chief Operating Officer as well as Senior Vice President and Chief Financial Officer. Prior to joining NOV in 2015, Jose served as Senior Vice President, Resource and Business Development at Continental Resources, Inc. and spent nine years serving in various roles at Complete Production Services, Inc. including Senior Vice President, Chief Financial Officer and Treasurer. Prior to joining Complete Production Services, Jose was an investment banker with J.P. Morgan. He holds a Bachelor of Science in Chemical Engineering from the University of Texas at Austin, a Master of Engineering Management from the McCormick School of Engineering at Northwestern University and a Master of Business Administration from the Kellogg Graduate School of Management at Northwestern University.

William R. Thomas

Lead Director

Mr. Thomas has been a Director of the Company since November 2015. Mr. Thomas had served as the Non-Executive Chairman of EOG Resources, Inc. from October 2021 until October 2022 (NYSE: EOG). From January 2014 to October 2021, Mr. Thomas served as the Chairman and CEO of EOG. Prior to that, he served as President and Chief Executive Officer from July 2013 through December 2013 and as President from September 2011 to July 2013. Mr. Thomas previously held other leadership positions at EOG, including Senior Executive Vice President, Exploitation and Senior Executive Vice President, Exploration. Mr. Thomas received a Bachelor of Science degree in Geology from Texas A&M University in 1975.

Sanjay Chowbey

Director

Mr. Chowbey has been a Director of NOV since March 2026. Mr. Chowbey has more than 20 years of experience leading global manufacturing and industrial technology businesses, including in his current role as the President and Chief Executive Officer of Kennametal Inc., a global manufacturer of advanced tooling, wear-resistant materials, and engineered components. He also serves on Kennametal Inc.’s board of directors. Prior to his current role, Mr. Chowbey served as the President of Kennametal Inc.’s Metal Cutting segment.

Before his time at Kennametal Inc., Mr. Chowbey served in various roles of increasing seniority across several prominent global industrial companies, including as the President of Flowserve Corporation’s Services and Solutions business, as well as roles with Danaher Corporation and Arvin Meritor, Inc. Mr. Chowbey is also a member of the Board of Directors for the National Association of Manufacturers (NAM).

Mr. Chowbey earned a Bachelor of Science in Mechanical Engineering from B.I.T. in Sindri, India, a Master of Science in Mechanical Engineering from the Tennessee Technological University, and a Master of Business Administration from the Kellogg School of Management at Northwestern University.

Marcela E. Donadio

Director

Ms. Donadio has been a Director of the Company since April 2014. Ms. Donadio has over 37 years of audit and public accounting experience with a specialization in domestic and international operations in all segments of the energy industry. She was Americas Oil & Gas Sector Leader of Ernst & Young LLP, from which she retired in March 2014. Ms. Donadio joined Ernst & Young in 1976, serving since 1989 as audit partner for multiple companies in the oil and gas industry. She held various energy industry leadership positions until being named Americas Oil & Gas Sector Leader in 2007. In that role she was responsible for one of the firm's most significant industry groups in the US and throughout the Americas. Ms. Donadio earned a Bachelor of Science degree in Accounting from Louisiana State University and is a licensed certified public accountant in the State of Texas.

David D. Harrison

Director

Mr. Harrison has been a Director of the Company since August 2003. He has served as Executive Vice President and Chief Financial Officer of Pentair, Inc., a diversified manufacturer in water technologies and enclosures businesses since February 2000 until his retirement in February 2007. From September 1999 through February 2000, Mr. Harrison was Executive Vice President and Chief Financial Officer of the Scotts Company, a lawn and garden products company. He was Executive Vice President and Chief Financial Officer and a Director of Coltec Industries, a company in the industrial and aerospace arena from 1996 to 1999. He also served as Executive Vice President and Chief Financial Officer of Pentair, Inc. from 1994 to 1996.

Chris Kendall

Director

Mr. Kendall has been a Director of the Company since December 2024. He has more than 30 years of experience in the global oil and gas industry, including as a director, President, and Chief Executive Officer of Denbury Inc. prior to its acquisition by Exxon Mobil Corporation in November 2023. Prior to joining Denbury, Mr. Kendall was with Noble Energy, serving as the Senior Vice President, Global Operations Services. During his 14-year tenure at Noble Energy, Mr. Kendall held several international and domestic leadership roles, primarily in the Eastern Mediterranean, Latin America, and the Gulf of Mexico regions. Mr. Kendall began his energy career at Mobil Corporation in 1989. He received a Bachelor of Science in Engineering, Civil Specialty from the Colorado School of Mines and graduated from Harvard Business School’s Advanced Management Program.

Patricia Martinez

Director

Ms. Martinez has been a Director of the Company since March 2024. Ms. Martinez is the President and CEO of Cormetech, a leading manufacturer of SCR Catalyst and Carbon Capture Adsorbers and Services for the emissions control industry. Prior to joining Cormetech, Ms. Martinez was the Chief Energy Transition Officer of Enerflex Ltd. from 2021 to 2024 and was formerly President of Enerflex’s Latin American business. Ms. Martinez joined Enerflex in 2014 when the company acquired Axip Energy Services L.P. international assets. At the time of the acquisition, Ms. Martinez was SVP for Axip’s international, a successor of Valerus Compression Services where she was VP of Latin America from 2009 to 2013 and Director of International Ventures from 2007 to 2009. Prior to joining Valerus in 2007, Ms. Martinez held several positions in sales and marketing with Shell Oil Products U.S. from 2003 to 2007. Ms. Martinez began her career at Conoco Argentina (a former Dupont subsidiary), where she worked in sales and marketing between 1996 and 1998. Ms. Martinez received a bachelor’s degree in business administration and marketing from Universidad Argentina de la Empresa and an MBA from Houston Baptist University.

Patricia B. Melcher

Director

Ms. Melcher has been a Director of the Company since January 2024. Ms. Melcher is a Managing Partner of EIV Capital, an energy-focused private equity firm she co-founded in 2009. Prior to co-founding EIV Capital, Ms. Melcher founded Allegro Capital Management in 1997, an investment firm which made equity investments in energy companies and provided consulting services. During her tenure at Allegro, she served as interim chief executive officer for Petrocom Energy Group from 2003 to 2004. Ms. Melcher joined SCF Partners at its formation to focus on private equity investments in the oilfield services sector and held positions of increasing responsibility from 1989 to 1994. Ms. Melcher has over 35 years of energy business experience, beginning her career as an investment banker for Simmons & Company International in 1986. Ms. Melcher received a Bachelor of Science in Systems Engineering from the University of Virginia and a Master of Business Administration from Harvard University.

Robert S. Welborn

Director

Mr. Welborn has been a Director of the Company since October 2021. Most recently, Mr. Welborn served as the Head of Meta Decision Science for Meta Inc. Prior to that, he was the Head of Programs Data Science, Small Business Group for Meta Inc. where he oversaw the development of solutions used by over 140 million businesses around the world. Before joining Meta Inc. in 2020, he held various positions within General Motors between 2018 and 2020, including Global Chief Data and Analytics Officer and served in several positions of increasing responsibility at USAA between 2009 and 2017, including Chief Data Scientist. From 1996 to 2009, Mr. Welborn was employed at Perot Systems and Wagonhound Investments. Mr. Welborn holds a Bachelor of Science in Engineering from Texas A&M University and a Master of Business Administration from the University of California, San Diego.