Management

Travis Stice
Mr. Stice has served as 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 30 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 Diamondback, 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.
    Michael L. Hollis
    Mr. Hollis has served as President since his appointment in January 2017 and as Chief Operating Officer since July 2015. Prior to his current position with us, he served as our Vice President of Drilling since joining us in September 2011. Before joining Diamondback, Mr. Hollis served in various roles, most recently as drilling manager at Chesapeake Energy Corporation, an oil and gas exploration company, from June 2006 to September 2011. Mr. Hollis worked for ConocoPhillips Company as a senior drilling engineer from January 2004 to June 2006 and as a process engineer from 2001 to 2003. Mr. Hollis also worked as a production engineer for Burlington Resources from 1998 to 2001 as well as from June 2003 to January 2004. Mr. Hollis received his Bachelor of Science degree in Chemical Engineering from Louisiana State University.
      Kaes Van't Hof
      Mr. Van’t Hof has served as Chief Financial Officer and Executive Vice President of Business Development since February 2019. Prior to his current position with us, he served as our Senior Vice President of Strategy and Corporate Development from January 2017 to February 2019 and as our Vice President of Strategy and Corporate Development since joining us in July 2016. Before joining Diamondback, Mr. Van't Hof served as Chief Executive Officer for Bison Drilling and Field Services from September 2012 to June 2016. From August 2011 to August 2012, Mr. Van't Hof was an analyst for Wexford Capital, LP responsible for developing operating models and business plans, including for our initial public offering, and before that worked for the Investment Banking - Financial Institutions Group of Citigroup Global Markets, Inc. from February 2010 to July 2011. Mr. Van't Hof was a professional tennis player from May 2008 to January 2010. Mr. Van't Hof received a Bachelor of Science in Accounting and Business Administration from the University of Southern California.
        Mr. Zmigrosky has served as Executive Vice President, General Counsel and Secretary since joining us in February 2019. Before joining Diamondback, Mr. Zmigrosky was in private practice of law, most recently as a partner in the corporate section of Akin Gump Strauss Hauer & Feld, LLP where he worked extensively with Diamondback and its subsidiaries. Mr. Zmigrosky holds a BSM in Finance from Tulane University and a JD from Southern Methodist University Dedman School of Law.
          Russell Pantermuehl
          Mr. Pantermuehl has served as Executive Vice President and Chief Engineer since February 2019. Prior to his current position with us, he served as our Executive Vice President of Reservoir Engineering from January 2017 to February 2019 and as our Vice President of Reservoir Engineering since joining us in August 2011. Before joining Diamondback, Mr. Pantermuehl served as a reservoir engineering supervisor for Concho Resources Inc., an oil and gas exploration company, from March 2010 to August 2011. Mr. Pantermuehl worked for ConocoPhillips Company as a reservoir engineering advisor from January 2005 to March 2010. Mr. Pantermuehl also worked as an independent consultant in the oil and gas industry from March 2000 to December 2004. Mr. Pantermuehl received a Bachelor of Science degree in Petroleum Engineering from Texas A&M University.
            Teresa Dick
            Ms. Dick has served as Executive Vice President, Chief Accounting Officer and Assistant Secretary since February 2019. Prior to her current position with us, she served as our Executive Vice President and Chief Financial Officer from January 2017 to February 2019, our Senior Vice President and Chief Financial Officer from November 2009 to January 2017 and our Corporate Controller since joining us in November 2007. Before joining Diamondback, Ms. Dick held a key management position as the Controller/Tax Director at Hiland Partners, a publicly-traded midstream energy master limited partnership. Ms. Dick has over two decades of accounting experience, including public company experience in both audit and tax areas. Ms. Dick received her Bachelor of Business Administration degree in Accounting from the University of Northern Colorado. Ms. Dick is a certified public accountant and a member of the American Institute of CPAs and the Council of Petroleum Accountants Societies.
              Thomas Hawkins
              Mr. Hawkins has served as Executive Vice President of Land since February 2019. Prior to his current position with us, he served as our Senior Vice President of Land since joining us in March 2017. Before joining Diamondback, Mr. Hawkins was an independent Consultant for Land Activities from July 2016 to February 2017. Mr. Hawkins has over 40 years of experience in the oil and gas industry. Mr. Hawkins spent seven years with Oasis Petroleum, an active oil and gas company in the Williston Basin, as their Senior Vice President of Land or similar capacities from March 2009 to June 2016 at which time he retired. Mr. Hawkins previously retired from ConocoPhillips in February 2009 after spending 31 years with ConocoPhillips and Burlington Resources (which ConocoPhillips acquired in 2006). During that time, Mr. Hawkins held various operations and managerial positions in Land, Marketing, Planning and the Corporate Acquisitions and Divestitures groups. Mr. Hawkins has worked in several major regions in the continental United States, including the San Juan Basin, the Williston Basin and the Austin Chalk/Wilcox Trends in South Texas. Mr. Hawkins holds a Bachelor of Business Administration in Finance from the University of Texas at El Paso.
                jennifier
                Ms. Soliman has served as Executive Vice President and Chief Human Resources Officer since February 2019. Prior to her current position, she served as our Senior Vice President and Chief Human Resources Officer since joining us in February 2018. Ms. Soliman focuses on strategic aspects of aligning the organization, leading the Company’s human capital strategy, brand building, and ongoing commitment to promoting a culture of excellence within Diamondback. She reports directly to Travis Stice, Chief Executive Officer, and serves as a member of the executive team. Before joining Diamondback, Ms. Soliman served in various human resources leadership roles in other public and private companies such as Woodside Energy, BP, and Koch Industries. She holds a Bachelor of Arts degree in Organizational Behavior from Rollins College, graduating magna cum laude, as well as a Master of Business Administration degree from Rice University. Ms. Soliman serves on the board of Jones Partners at Rice Business School and honorably served as a member of the United States Air Force Reserves.
                  Joe Niederhofer
                  Mr. Niederhofer has served as Senior Vice President of Midstream Operations since February 2019. Prior to his current position with us, he served as our Vice President of Permian Basin Operations since joining us in November 2018. Before joining Diamondback, Mr. Niederhofer served as Vice President of Permian Basin Operations for Energen Corporation. Prior to the Permian Basin assignment, he managed Energen’s San Juan Basin assets in New Mexico from 1997 – 2002 and their Coalbed Methane assets in Alabama from 1986 – 1997. Mr. Niederhofer attended Texas A&M where he received his B.S. in Petroleum Engineering and is a member of the Permian Basin Society of Petroleum Engineers.
                    David Cannon
                    Mr. Cannon has served as Senior Vice President of Geoscience and Technology since February 2019. Prior to his current position with us, he served as our Vice President of Geoscience from April 2017 to February 2019, our Exploration Manager from March 2015 to April 2017 and as a Senior Geologist since joining us in March 2014.Before joining Diamondback, Mr. Cannon served as a Senior Geologist for Newfield Exploration, from January 2013 to March 2014, where he assisted in exploration, assessment, and development of SCOOP/STACK properties in the Anadarko Basin. Prior to that, he held the position of District Geologist for Samson Resources, from August 2011 to January 2013, where he held a position in the Corporate Exploration Department assessing Rockies, Mid-Continent, and East Texas unconventional plays. He was recruited by ConocoPhillips in 2008, where he held various positions in exploration and development of Rockies and Bakken assets. Mr. Cannon received his BS Geology from the State University of New York, College at Brockport in 2005 and obtained his MS in Geoscience from Pennsylvania State University in 2008 with a focus on structural geology and rock mechanics.
                      Daniel Wesson
                      Mr. Wesson has served as Senior Vice President of Operations since February 2019. Prior to his current position with us, he served as our Vice President of Operations from April 2017 to February 2019, our Completions Manager from January 2013 to April 2017 and as an Operations Engineer since joining us in February 2012. Before joining Diamondback, Mr. Wesson served in various operations and engineering roles for BOPCO from 2010 to 2012 and ConocoPhillips from 2007 to 2010. Mr. Wesson received his Bachelor of Science degree in Mechanical Engineering from Louisiana State University and is a member of the Permian Basin Society of Petroleum Engineers.
                        W. Marc Dingler IV
                        Mr. Dingler has served as Senior Vice President of Government Affairs and Deputy General Counsel since February 2019. Prior to his current position with us, he served as our Vice President of Legal and Deputy General Counsel from April 2017 to February 2019 and as our Deputy General Counsel since joining us in April 2014. Before joining Diamondback, Mr. Dingler served as Associate General Counsel for Pioneer Natural Resources USA, Inc. from June 2005 to April 2014 and Senior Attorney from January 2002 to June 2005. Mr. Dingler was Of Counsel in private practice with the Midland firm of Woerndle, Strain and Miller, LLP from October 2000 to January 2002. He served Costilla Energy Inc. in the Office of Legal Counsel from October 1998 to June 2000. From 1991 to 1998 he served in various roles within the Legal Department of Pioneer Natural Resources USA, Inc. and its predecessor, Parker & Parsley Petroleum Co. Mr. Dingler began his legal career in private practice with Sanders, Bruin, Coll and Worley, PA in Roswell, NM in 1989. Mr. Dingler received his Doctor of Jurisprudence degree from Texas Tech University School of Law in 1989.
                          Ms. Blubaugh-Few has served as Senior Vice President of Accounting and Controller since February 2019. Prior to her current position with us, she served as our Vice President of Accounting and Controller from April 2017 to February 2019, our Controller from November 2009 to April 2017, and our Assistant Controller from November 2007 to November 2009 since joining us in January 2007. Before joining Diamondback, Ms. Blubaugh-Few held various accounting roles with Faulkner Exploration. She holds two Bachelor of Business Administration degrees from Oklahoma State University, majoring in Accounting and Finance as well as an MBA from Southwestern Oklahoma State University.
                            Al Barkmann
                            Mr. Barkmann has served as Vice President of Reservoir Engineering since February 2019. Prior to his current position with us, he served as our Reservoir Engineering Manager since joining us in November 2018. Before joining Diamondback, Mr. Barkmann worked for Energen Resources Corporation from May 2006 to November 2018 serving in various capacities of increasing responsibility, most recently as Reservoir Engineering Manager and has worked in the Permian Basin since 2006. Mr. Barkmann began his career with BJ Services in June 2004 as a Completions Engineer, joining Energen Resources Corporation in May 2006 as a Reservoir Engineer. He then moved to the Business Development group as an Acquisitions Engineer in September 2010 building substantial acreage positions in the Midland and Delaware Basins. Mr. Barkmann was promoted to Reservoir Engineering Supervisor of the Midland Basin in January 2014 where he coordinated all aspects of Reservoir Engineering for Energen at the onset of its horizontal shale development program. Mr. Barkmann graduated from Louisiana State University with a Bachelor of Science in Petroleum Engineering in May 2004 and is a member of the SPE.
                              Yong Cho
                              Mr. Cho has served as Vice President of Drilling since August 2018. Prior to his current position with us, he served as our Delaware Drilling Manager since joining us in April 2017.Mr. Cho has continued to make significant contributions to the team and will continue to ensure Diamondback's focus on teamwork is utilized to deliver best-in-class drilling operations. Before Joining Diamondback, Mr. Cho served as Drilling and Completion Manager for SK Plymouth from 2016 to 2017, and worked for Chesapeake Energy, beginning in 2004, and served as their Drilling Manager from 2007 through 2015. Mr. Cho also gained experience working as a Senior Drilling Engineer for ConocoPhillips Company, and Union Pacific Resources. He holds a Bachelor of Science degree in Petroleum Engineering from the Colorado School of Mines.
                                Adam Lawlis
                                Mr. Lawlis has served as Vice President of Investor Relations since February 2019. Prior to his current position with us, he served as our Director of Investor Relations from April 2017 to February 2019, our Investor Relations Manager from February 2016 to April 2017 and as an investor relations analyst since joining us in March 2013. Before joining Diamondback, Mr. Lawlis worked at Simmons & Company International as an equity research associate from 2010 to 2013 and various finance roles at Sabine Storage & Operations from 2009 to 2010. Mr. Lawlis received his Bachelor of Business Administration degree in Finance and a Master of Business Administration from Texas Tech University. He is a board member of the Permian Basin Chapter of the American Red Cross and YPE. Additionally, he is a member of the National Investor Relations Institute and a mentor for the Rawls College of Business Executive Mentor Program at Texas Tech University.