Board of Directors

Mr. West has served as a director of our company since December 2011. Mr. West served as our Chief Executive Officer from January 1, 2009 to December 31, 2011. From January 2011 until December 2016, Mr. West was a partner at Wexford Capital, focusing on Wexford’s private equity energy investments. From August 2006 until December 2010, Mr. West served as senior portfolio advisor at Wexford. From August 2003 until August 2006, Mr. West was the chief financial officer of Sunterra Corporation, a former Wexford portfolio company. From December 1993 until July 2003, Mr. West held senior financial positions at Coast Asset Management and IndyMac Bank. Prior to that, Mr. West worked at First Nationwide Bank, Lehman Brothers and Peat Marwick Mitchell & Co., the predecessor of KPMG LLP. Mr. West holds a Bachelor of Science degree in Accounting from California State University, Chico. We believe Mr. West’s background in finance, accounting and private equity energy investments, as well as his executive management skills developed as part of his career with Wexford, its portfolio companies and other financial institutions qualify him to serve on our board of directors.

    Mr. Stice has served as our Chief Executive Officer since January 2012 and a director of Diamondback since November 2012.  Prior to his current position with us, he served as our President and Chief Operating Officer from April 2011 to January 2012. Mr. Stice has more than 33 years of industry experience in production operations, reservoir engineering, production engineering and unconventional oil and gas exploration, and more than 25 years of management experience. He started his career with Mobil Oil in 1985. He then held a series of positions with increasing responsibilities at Burlington Resources until it was acquired by ConocoPhillips in March 2006. Before joining us, he served as a Vice President of Laredo Petroleum Holdings, Inc., from September 2008 to September 2010.  Mr. Stice graduated from Texas A&M University with a Bachelor of Science degree in Petroleum Engineering and serves on the Industry Advisory Board of the Petroleum Engineering department at Texas A&M. Mr. Stice is a registered engineer in Texas and is a 30-year member of the Society of Petroleum Engineers. He also serves on industry boards for the Permian Basin Petroleum Association, American Exploration and Production Council, and the National Petroleum Council.  Additionally, he is on local community boards for Manor Park Retirement Center in Midland, the Midland Memorial Hospital, the Midland Chamber of Commerce and the Midland Petroleum Club.

      Since 1991, Mr. Houston has been the principal of Houston & Associates, a firm that offers life and disability insurance, compensation and benefits plans and estate planning. Prior to 1991, Mr. Houston was President and Chief Executive Officer of Equity Bank for Savings, F.A., an Oklahoma-based savings bank. Mr. Houston served on the board of directors and executive committee of Deaconess Hospital, Oklahoma City, Oklahoma, from January 1993 until December 2008 and is the former chair of the Oklahoma State Ethics Commission and the Oklahoma League of Savings Institutions. Mr. Houston has served as a director of Gulfport since July 1998 and is the chairman of its audit committee. He also served as a director of Bronco Drilling Company from May 2005 until December 2010 and was a member of its audit committee. Mr. Houston received a Bachelor of Science degree in business from Oklahoma State University and a graduate degree in banking from Louisiana State University. We believe that Mr. Houston’s financial background and his executive management experience qualify him for service on our board of directors.

      Vincent “Vince” Brooks is a career Army officer who served in the U.S. Army for over 42 years, retiring from active duty in 2019 as a four-star general. General Brooks spent his final seventeen years as a general officer and in nearly all of those years in command of large, complex military organizations in challenging situations. Most recently, from 2016 until his retirement, he was the commander of all Korean and United States forces in the Republic of Korea. In the two positions prior to Korea he served as the commander of all United States Army forces throughout the Indo-Asia Pacific region from 2013 to 2016 during the strategic rebalancing to Asia, and as the commander of all United States Army forces in the Middle East and Central Asia from 2011 to 2013 during the reduction of forces in Iraq and the buildup of forces in Afghanistan, as well as the phenomenon known as “the Arab Spring.” During his tenure in the Army, he gained uncommon experience in leading through complex, ambiguous situations with significant national security interests and risks at stake. He handled crisis management, public communications, risk management and mitigation, budgetary assessment, leadership and management, international relations and interactions, cyber defense and protection, congressional engagement and strategic planning. General Brooks has served on the board of the Gary Sinise Foundation since March 2019 and on the board of the Korea Defense Veterans Association since February 2020. General Brooks is also a visiting Senior Fellow at Harvard Kennedy School’s Belfer Center for Science and International Affairs, a Distinguished Fellow at the University of Texas with both the Clements Center for National Security and the Strauss Center for International Security and Law, an Executive Fellow with the Institute for Defense and Business, and the President of VKB Solutions LLC. General Brooks holds a Bachelor of Science in Engineering from the U.S. Military Academy at West Point, a Master of Military Art and Science from the U.S. Army School of Advanced Military Studies and holds an honorary Doctor of Laws from the New England School of Law and an honorary Doctor of Humanities from New England Law | Boston. General Brooks qualifies as an independent director under the Nasdaq listing standards.

      Mr. Cross is President and owner of Michael P. Cross, Inc., an independent oil and natural gas producer, a position he has held since July 1994. Mr. Cross also currently serves as a director of Warren Equipment Company, a position he has held since 2002. Mr. Cross has also served as a member of the Oklahoma Energy Resources Board since February 2005 and has been a member of the Executive Committee since 2007. Mr. Cross also served as a member of the Board of Directors of the Oklahoma Independent Petroleum Association for over 15 years. Mr. Cross served on the Board of Directors for OGE Energy GP LLC from October 2007 to October 2008. Mr. Cross also served as CEO and President of Windsor Energy Resources, Inc. from December 2005 until December 2006. Mr. Cross served as President and Manager of Twister Gas Services, L.L.C., an oil and gas exploration, production and marketing company, from its inception in 1996 until June 2003 and served as President of its predecessor, Twister Transmission Company, from 1990 to 1996. Mr. Cross graduated from Oklahoma State University in 1973 with a BS in Business Administration. We believe that Mr. Cross’s strong oil and gas background and executive management experience qualify him for service on our board of directors.

      Stephanie Mains has over 30 years of experience across diverse industrial segments, including aviation, energy and transportation. Most recently, she served as President and CEO of ABB Electrification Products Industrial Solutions, a $2.7 billion leading provider of advanced technologies to protect, control and optimize assets within electrical infrastructures for a number of industrial, commercial and residential applications around the world. She served in this position from 2018, when GE Industrial Solutions was acquired by ABB, until February 2019. Prior to that, she held the position of President and CEO of GE Industrial Solutions from 2015 until its acquisition by ABB in 2018. From 2013 to 2015, Ms. Mains served as President and CEO of GE Distributed Power Global Services, where she led a $2.2 billion global business servicing technologies that power the oil and gas, utilities, mining and industrial segments. From 2006 until 2013, she held positions of increasing responsibility in GE Energy from General Manager to Vice President, as she led the global build out and transformation of a $4 billion service operation providing power equipment and services. Prior to joining GE Energy, she spent 17 years across multiple GE businesses in financial and leadership positions, including CFO for GE Aviation Services – Contractual Services and Material Solutions, a $4 billion aviation material services business. Ms. Mains also serves as a director of Gates Industrial Corporation plc and a member of its audit committee, positions she has held since February 2019. Ms. Mains holds a B.B.A. in Finance from the University of Kentucky. Ms. Mains qualifies as an independent director under the Nasdaq listing standards.

      Mr. Plaumann is currently a Managing Member of Greyhawke Capital Advisors LLC, or Greyhawke, which he co-founded in 1998. Prior to founding Greyhawke, Mr. Plaumann was a Senior Vice President of Wexford. Mr. Plaumann was formerly a Managing Director of Alvarez & Marsal, Inc. and the President of American Healthcare Management, Inc. He also was Senior Manager at Ernst & Young LLP. Mr. Plaumann served as a director and audit committee chairman for ICx Technologies, Inc. until October 2010 and currently serves as a director and audit committee chairman of Republic Airways Holdings, Inc., and a director of one private company. Mr. Plaumann also has served as a director, an audit committee chairman and a member of the conflicts committee of the general partner of Rhino Resource Partners LP, a coal operating company, since October 2010. Mr. Plaumann holds an M.B.A. and a B.A. in Business from the University of Central Florida. We believe that Mr. Plaumann’s service on the boards of other public companies and his executive management experience, including previous experience as chairman of audit committees, qualifies him for service on our board of directors.

      Ms. Trent previously served in various legal, administrative and compliance capacities for Rowan Companies plc, from 2005 until April 2017, including as an Executive Vice President, General Counsel and Chief Administrative officer from 2014 until April 2017, as Senior Vice President, Chief Administrative Officer and Company Secretary from 2011 until 2014, and as Vice President and Corporate Secretary from 2010 until 2011. Prior to her tenure at Rowan, Ms. Trent served in various legal, administrative and investor relations capacities for Reliant Energy Incorporated, served as counsel at Compaq Computer Corporation and as an associate at Andrews Kurth LLP. She serves on the Board of Arcosa, Inc. (NYSE: ACA), a company focused on contracution, energy and transportation products and services, and serves on the Audit and Corporate Governance & Directors Nominating Committees. She also serves on the Board of Frank’s International (NYSE:FI), a global oil services company that provides a broad and comprehensive range of highly engineered tubular running services, tubular fabrication, and specialty well construction and well intervention solutions with a focus on complex and technically demanding wells. Ms. Trent holds a Bachelor's degree from Middlebury College and a Juris Doctorate degree from Georgetown University Law Center. We believe that Ms. Trent’s strong legal and executive management experience, diverse background and knowledge of oil and gas and energy industries qualify her for service on our board of directors