Gary C. Hanna

Chairman of the Board, Interim President and Chief Executive Officer

Gary C. Hanna, was appointed Interim President and Chief Executive Officer in September 2018 and Chairman of the Board in April 2017. Mr. Hanna has over 30 years of executive experience in the E&P and oil service sectors, with a primary focus in the mid-continent U.S. and Gulf of Mexico regions. Previously he served as Chief Executive Officer and Chairman of KLR Energy from September 2015 to April 2017. From 2009 until 2014, Mr. Hanna served as the Chief Executive Officer of EPL Oil & Gas, Inc., until it was acquired by Energy XXI in June 2014, and was elected as a director of EPL in June 2010 and Chairman in 2013.   Mr. Hanna is currently the chairman of the board of directors of Energy XXI Gulf Coast, Inc., a position he has held since April 2018.  Other positions held by Mr. Hanna include: President and Chief Executive Officer of Admiral Energy Services, Senior Vice President at Tetra Technologies, Inc., President and Chief Executive Officer of Tetra’s affiliate, Maritech Resources, Inc., President of Tetra Applied Technologies, Inc., another Tetra affiliate, President and Chief Executive Officer of Gulfport Energy Corporation, Chief Operations Officer for DLB Oil & Gas, Inc., and President and Chief Executive Officer of Hanna Oil Properties, Inc. Over the past two years, Mr. Hanna has served as a member of the Boards of Directors of Hercules Offshore, Inc. and Aspire Holdings Corp. Mr. Hanna holds a B.B.A. in Economics from the University of Oklahoma.

Craig Owen

Chief Financial Officer

Craig Owen was named Chief Financial Officer of Rosehill Resources in June 2017. Mr. Owen has over 25 years of experience in the energy industry, serving in key executive financial and accounting leadership roles within the energy sector. Mr. Owen most recently served as Senior Vice President and Chief Financial Officer of Southwestern Energy Company since October 2012. Previously, from 2008 to 2012, he was the Controller and Chief Accounting Officer of Southwestern Energy Company. Prior to joining Southwestern Energy Company, Mr. Owen was the Controller, Operations Accounting at Anadarko Petroleum Corporation and has held various managerial and financial positions at PricewaterhouseCoopers LLP, ARCO Pipe Line Company and Hilcorp Energy Company. Mr. Owen holds a bachelor’s degree in accounting from Texas A&M University and is a Certified Public Accountant.

Brian K. Ayers

Vice President of Geology

Brian K. Ayers was named Vice President of Geology for Rosehill Resources in April 2017. Mr. Ayers has over 38 years of geology, operations, and management experience in the oil and gas industry. Prior to Rosehill, Mr. Ayers served as Vice President of Geology for Tema for the past five years. Mr. Ayers has also held numerous executive positions for public and private companies, including President and Chief Executive Officer of Centurion Exploration Company, Senior Vice President of Geology for America Capital Energy Corporation, Vice President, Division Manager for Samson Lone Star and Vice President, Domestic Exploration for Coastal Oil & Gas Corporation. He began his career in 1980 as an Exploration Geophysicist at Texaco in New Orleans. Mr. Ayers served as an independent director on the Board of Directors of Tamaska Oil and Gas, Ltd. from 2007 to 2014. Mr. Ayers holds a Bachelors of Arts in Geophysical Science from the University of Chicago and a Masters of Business Administration from the Else School of Management, Millsaps College.

R. Colby Williford

Vice President of Land

R. Colby Williford was named Vice President of Land for Rosehill Resources in April 2017. Mr. Williford has nearly 30 years of petroleum land management experience, including field and in-house positions in Texas, Louisiana, Oklahoma, New Mexico, Colorado, and Wyoming. Prior to Rosehill, Mr. Williford served as Vice President of Land for Tema, Momentum Oil & Gas, LLC, Centurion Exploration Company and America Capital Energy Corporation, the U.S. oil & gas subsidiary of the ZhongRong Group, Shanghai, China. He began his career in 1985 as a field landman working for small to medium sized companies and transitioned to in-house work providing acquisition & divestiture due diligence, land management and contract negotiation. Mr. Williford holds a Bachelors of Business Administration in International Business from the University of Houston.

Bryan Freeman

Vice President of Operations

Bryan Freeman was named Vice President of Operations for Rosehill Resources in April 2017. Mr. Freeman has over 23 years of drilling and operational engineering expertise at large public and private E&P companies, as well as with large service companies. Prior to Rosehill, Mr. Freeman served as Drilling and Operations Manager at Tema, Production and Operation Engineering Manager at SM Energy. He began his career as a District Manager for Weatherford ALS and moved to Sales Engineer at Schlumberger before spending numerous years at Chevron as a Team lead and Senior Completions and Petroleum Engineer. Mr. Freeman holds a Bachelors of Science and Masters of Science in Engineering from the University of Texas.