Pioneer Natural Resources Competitors

John, was appointed executive vice president and chief operating officer – North America, effective Jan. 1, 2014, having been region vice president – Permian Region, from 2010 through 2013. He previously served as vice president – Business Development, since January 2004, and production manager for the Gulf Coast Region since April 2003. Prior to that, Christmann held various positions of increasing responsibility in the business development area since joining the company in 1997. Previously, he was employed by Vastar Resources/ARCO Oil and Gas Company in business development, crude oil marketing and engineering assignments. Christmann received his bachelor’s degree in petroleum engineering from the Colorado School of Mines and MBA from Southern Methodist University.

Rachel Broussard is a Chief Executive Officer at Atwood Oceanics Inc and is based in Lafayette, Louisiana.

Solid leadership capabilities in the Energy Industry including upstream, midstream, and downstream sectors. Education 1995: Bachelors, Chemical Engineering, Texas A&M University, Texas, USA 2008: Masters of Business Administration , Erasmus University, Rotterdam Board member: Canadian Heavy Oil AssociationProfessional Qualifications and Affiliations Societies * Member, Society of Petroleum Engineers* Member, Society of Exploration Geophysicists Publications and Presentations Keith Schilling and Vivian Pistre, “Wireline tool to improve estimates of 3D borehole acoustic rock properties”, First Break, European Association of Geoscientists and Engineers, Volume 24, July 2006. V. Pistre, T. Kinoshita, T. Endo, K. Schilling, J. Pabon, B. Sinha, T. Plona, T. Ikegami, and D. Johnson Schlumberger, “A Modular Wireline Sonic Tool for Measurements of 3D (Azimuthal, Radial,and Axial) Formation Acoustic Properties”, SPWLA 46th Annual Logging Symposium, June 26-29, 2005.Rick Von Flatern, Keith Schilling, Giovanni Tumbiolo, Nick Heaton, and Martin Issacs, “Wireline Wizardry - Scanning Square One”, Offshore Engineer, Jan 2006, pp. 44-46.K. Schilling, et al., “Estimation of 3D Borehole Acoustic Rock Properties using a New Modular Sonic Tool”, EAGE 67th Conference & Exhibition, Madrid, Spain, 13 - 16 June 2005.Keith Schilling, Rick Von Flatern, Giovanni Tumbiolo, Nick Heaton, and Martin Issacs “Technology for Tomorrow”, Asian Oil & Gas, January/February 2006.Keith Schilling and Long Jiang, "Sonic Scanner Leading the Way from Clastics to Basement in Vietnam and Thailand", TMV Reservoir Symposium, Bangkok, 2007.Keith Schilling, Long Jiang, Jim Logan, Chevron, "Radial Profiling for Completion Effectiveness with New Sonic Measurement in the Gulf of Thailand", SPE 2008 Formation Damage Conference. (SPE 112385)Specialties: Negotiation, sales, marketing, operations, personnel, finance, and execution in both domestic (US) and international settings.

Ryan Lance is an American businessman. He serves as the chairman and chief executive officer of ConocoPhillips.

Christian S. Kendall, President and Chief Operating Officer, joined Denbury in September of 2015. Kendall joined Denbury from Noble Energy, Inc., where he most recently served as a member of Noble’s executive management and as part of its operations leadership team as Senior Vice President, Global Operations Services. Prior to that, Kendall served as Vice President, Gulf of Mexico (2011-2014), and as Business Unit Manager and Vice President, Noble Energy Mediterranean Ltd (2007-2011), having been with Noble since 2001. Kendall began his career with Mobil Oil Corporation in 1989 and, in total, has over 27 years of oil and gas industry experience in domestic and international operations roles. Kendall holds a Bachelor of Science degree in Engineering, Civil Specialty, from the Colorado School of Mines.

Mr. Thomas was named Chairman of the Board and Chief Executive Officer, effective January 2014. 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 has been with EOG and its predecessor companies for over 35 years. Mr. Thomas has also previously served as the General Manager of EOG’s Fort Worth, Texas, Midland, Texas and Corpus Christi, Texas offices, where he was instrumental in EOG’s successful exploration, development and exploitation of various key resource plays. Mr. Thomas joined HNG Oil Company, a predecessor of EOG, in 1979.