Joseph N. Jaggers - Chairman, CEO & President

Joseph N. Jaggers was appointed as our Chief Executive Officer and President and as Chairman of our board of directors in September 2016, and has served as Chairman, Chief Executive Officer and President of Jagged Peak Energy LLC since April 2013. Prior to that, Mr. Jaggers served as the President and Chief Executive Officer of Ute Energy LLC from July 2010 until its acquisition in November 2012. From November 2012 until April 2013, Mr. Jaggers oversaw the winding down of Ute Energy LLC and evaluated potential opportunities in anticipation of the formation of Jagged Peak Energy LLC. Mr. Jaggers began his career in the oil and natural gas industry in 1981, when he joined Amoco Production Company (‘‘Amoco’’) in Lake Charles, Louisiana. Mr. Jaggers worked for 19 years with Amoco and its successor, BP p.l.c., holding positions of increasing responsibility, including operations, engineering and executive assignments, in a number of domestic and international locations. In July 2000, Mr. Jaggers joined Barrett Resources Corporation as President and Chief Operating Officer and served in that capacity until Barrett Resources Corporation’s merger with The Williams Companies, Inc. in 2001 where he served as Regional Vice President until 2006. Mr. Jaggers served as President, Chief Operating Officer and Director of Bill Barrett Corporation from 2006 until July 2010. In October 2009, Mr. Jaggers was elected into the Wildcatter Hall of Fame for his distinguished work and contributions to the oil and natural gas industry by the Independent Producers Association of the Mountain States. Mr. Jaggers graduated from the United States Military Academy at West Point in 1975 with a bachelor of sciences degree, after which he served his country for six years as a member of the United States Army. Mr. Jaggers is an independent director of National Fuel Gas Company (NYSE: NFG).


J. Jay Stratton Jr. - Executive Vice President & Chief Operating Officer

J. Jay Stratton Jr. was appointed as our Executive Vice President, Chief Operating Officer in August 2017.  Prior to that Mr. Stratton served as Chief Operating Officer of Permian Resources and earlier VP of Operations of American Energy Permian Basin, a private oil and gas company based in Oklahoma City since April 2014.  He served as Permian District Manager and later Northern Mid Continent District Manager for Chesapeake Energy from January 2011.  Mr. Stratton served for a number of private oil and gas ventures from July 2007 until December 2010.  From 2001 to 2007 Mr. Stratton was Petroleum Engineering Manager for Anadarko Algeria in Hassi Messaoud Algeria and later London.  Prior, he was Operations Engineering Advisor for OXY International and OXY Qatar in Doha from 1994 to 2001.  Mr. Stratton started his career with ARCO Alaska in Anchorage in 1986 until his departure in 1994.  He earned a Bachelor of Science in Petroleum Engineering (Cum Laude) from Texas A&M University in 1986.

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Robert W. Howard - Executive Vice President & Chief Financial Officer

Robert W. Howard was appointed as our Executive Vice President, Chief Financial Officer in November 2016, prior to which he served as our Chief Financial Officer since September 2016. Mr. Howard has also served as Chief Financial Officer of Jagged Peak Energy LLC since April 2016. Prior to that, Mr. Howard served as Chief Financial Officer and Treasurer of Bill Barrett Corporation since March 2007. He served as Chief Financial Officer for Quantum Resources Management, a private oil and natural gas company headquartered in Denver, from May 2006 until March 2007. Previously, Mr. Howard served from January 2002 through May 2006 in various executive positions for Bill Barrett Corporation, including Executive Vice President—Finance and Investor Relations and Treasurer from February 2003 until May 2006 and as Chief Financial Officer from January 2002 until February 2003. From August 2001 until December 2001, Mr. Howard served as Vice President—Finance and Administration and a director of AEC Oil & Gas (USA) Inc. From 1984 through its sale in 2001, Mr. Howard served in various positions at Barrett Resources Corporation, including as Senior Vice President—Investor Relations and Corporate Development and Senior Vice President Accounting and Finance and Treasurer. He earned a B.B.A. in Comprehensive Public Accounting from University of Wisconsin-Eau Claire in 1976.


Christopher I. Humber - Executive Vice President, General Counsel & Secretary

Christopher I. Humber was appointed as our Executive Vice President, General Counsel & Secretary in November 2016. Prior to joining us, he was a consultant to us and other exploration and production companies since his March 2016 departure from Bonanza Creek Energy, Inc., where he served as its Executive Vice President, General Counsel and Secretary since August 2014 and its Senior Vice President, General Counsel and Secretary prior to that since that company’s initial public offering in December 2011. Prior to that, Mr. Humber was a practicing attorney focusing on securities, mergers and acquisitions and corporate finance matters for public and private companies as a partner with the law firm Kendall, Koenig & Oelsner PC in Denver, Colorado and an associate with the law firms Hogan & Hartson LLP (now Hogan Lovells US LLP) in Denver, Colorado and Arnold & Porter LLP (now Arnold & Porter Kaye Scholer LLP) in Washington, D.C. and McLean, Virginia. Mr. Humber graduated with high honors from Emory University School of Law, where he was Editor-in-Chief of the Emory Law Journal, and holds a Bachelor of Arts in Biology from the University of Colorado at Boulder.


Mark R. Petry - Executive Vice President, Land & Acquisitions

Mark R. Petry was appointed as our Executive Vice President, Land in November 2016, and has served as Jagged Peak Energy LLC’s Vice President, Land since May 2013. Prior to that, he served as Vice President, Business Development and Land Administration for Laramie Energy II, LLC since September 2007. His prior experience includes Rocky Mountain Land Manager at Anadarko Petroleum Corporation, various positions, including Vice President, Land, at Western Gas Resources, Inc. and various land and accounting positions at Ladd Petroleum Corporation. Mr. Petry graduated with honors from the University of Wyoming with a Bachelor of Science Degree in Finance and is a Certified Professional Landman (CPL). Mark is a member of the American Association of Professional Landmen (AAPL) and the Denver Association of Petroleum Landmen (DAPL).

John Roesink - Vice President, Development Planning & Geoscience

John G. Roesink was named the Company’s Vice President of Development Planning & Geoscience in March 2017.  He joined Jagged Peak’s predecessor in 2014 as our Senior Exploration Geologist.  Prior to that, he was a Geologic Advisor at Bill Barrett Corporation, where he developed the East Bluebell assets in the Uinta Basin and helped formulate and execute that company’s Niobrara development plan in the DJ Basin.  From 2005 until 2011, he was a geologist and team lead at Noble Energy Inc., where he explored and developed Noble’s Green River, Piceance, western Williston, Wind River and DJ Basin assets.  Prior to that, he was a research scientist at the University of Colorado, Boulder studying the sequence stratigraphy of deepwater deposits.  Mr. Roesink holds a Bachelor of Arts and a Master of Science in Geology from the University of Colorado, Boulder.


Chris Bairrington - Vice President, Operations

Chris R. Bairrington was named Jagged Peak’s Vice President of Operations in November 2016.  He previously served as Engineering Manager of Jagged Peak’s predecessor.  Prior to that, he was the Senior Operations Engineer of Ute Energy.  He also has experience as a Senior Operations Engineer of Bill Barrett Corporation and Production Engineer of Anadarko Petroleum Corporation.  Mr. Bairrington holds a Bachelor of Science in Petroleum Engineering from Texas A&M University.


Shonn Stahlecker - Controller

Shonn D. Stahlecker has served as our Controller since December 2013, where he has overseen our accounting and financial reporting activities.  Prior to that, he served as the Financial Reporting Manager at Berry Petroleum from October 2010 to December 2013.  Previously, Mr. Stahlecker served as Senior Manager of Corporate Accounting at Western Union from March 2009 to October 2010.  Mr. Stahlecker began his career in public accounting, working at KPMG from May 2003 to March 2009.  He earned a Bachelor of Science in Accountancy and Master of Accountancy from Brigham Young University.  He has held a CPA license since 2004. 


Ian Piper - Vice President, Finance & Corporate Planning

Ian T. Piper was named Jagged Peak’s Vice President of Finance and Corporate Planning in November 2016. He previously served as Corporate Planning and Finance Manager of Jagged Peak’s predecessor. Prior to that, he was the Senior Financial Analyst of Ute Energy. Prior to Ute Energy, he worked in investment banking where he primarily focused on providing financing and advisory services to oil and gas companies. His background includes corporate finance, mergers and acquisitions, strategic planning and capital markets transactions. Mr. Piper holds a Bachelor of Science in Business Administration in Finance from the University of Denver.