Board of Directors

Darin G. Holderness


Darin G. Holderness, CPA, was the Senior Vice President, Chief Financial Officer and Treasurer of Concho Resources until May 2016. Mr. Holderness has over 20 years of experience in the energy sector including nine years with KPMG LLP where his practice was focused in the energy industry and over 17 years in industry in ever increasing roles of responsibility including serving as Vice President and Controller of Pure Resources, Vice President and Chief Financial Officer of Basic Energy Services, Vice President and Chief Accounting Officer of Pioneer Natural Resources, and most recently as Senior Vice President and Chief Financial Officer of Eagle Rock Energy Partners.

Mr. Holderness is a 1986 graduate of Boise State University with a Bachelor of Business Administration in Accounting and is a Certified Public Accountant.

John A. Brooks

President, Chief Executive Officer and Director

John Brooks was promoted to President and Chief Executive Officer and appointed as a director of Penn Virginia Corporation, effective August 15, 2017. Mr. Brooks had previously served in several management roles for Penn Virginia, including as Interim Principal Executive Officer of Penn Virginia Corporation from September 2016 to August 2017, as Executive Vice President and Chief Operating Officer from January 2014 to August 2017, as Penn Virginia Corporation’s Executive Vice President, Operations from February 2013 to January 2014, Senior Vice President from February 2012 to February 2013 and Vice President from May 2008 to February 2012 and as Penn Virginia Oil & Gas Corporation’s Vice President and Regional Manager from October 2007 to February 2012, Operations Manager from January 2005 to October 2007 and Drilling Manager from February 2002 to January 2005. Mr. Brooks received his B.S. in Petroleum Engineering from the University of Texas at Austin in 1984.

Jerry R. Schuyler


Mr. Schuyler is currently Chairman of the Board of Gastar Exploration Inc. He served as Executive Vice President, Chief Operating Officer and Director of Laredo Petroleum, Inc. beginning in June 2007, was promoted to President and Chief Operating Officer in July 2008 and retired in July 2013. Mr. Schuyler served as an independent director for Yates Petroleum Corporation from December 2015 until the sale of the company in October 2016; independent director for Rosetta Resources Inc. from December 2013 until the company was sold in July 2015 and independent director for Gulf Coast Energy Resources, LLC from 2010 until the sale of the company in April 2015.

Mr. Schuyler holds a B.S. in Petroleum Engineering from Montana College of Mineral Science and Technology and attended several graduate business courses at the University of Houston.

Frank Pottow


Mr. Pottow is the Co-Founder of GCP Capital and has been a Managing Director and member of the investment committee of Greenhill Capital Partners since July 2002. Mr. Pottow has more than 25 years of private equity investment experience, with a focus on energy companies. Prior to GCP Capital, Mr. Pottow was a founding partner of Société Générale’s US private equity affiliate SG Capital Partners and a Principal of Odyssey Partners, L.P. Mr. Pottow graduated cum laude from The Wharton School of the University of Pennsylvania in 1986 and from Harvard Business School in 1990 with high distinction as a Baker Scholar.

Brian Steck


Brian Steck is a Partner, Senior Analyst at Mangrove Partners where he has worked since 2011. Since 2017, Mr. Steck has also served as a board member and Chairman of the Nominating & Corporate Governance Committee of Bonanza Creek Energy, Inc., (NASDAQ: BCEI). Through early 2011, Mr. Steck managed The Laurel Capital Group, LLC, the general partner of a hedge fund he founded in 2009. From 2006 until 2008, Mr. Steck was Head of US Equities at Tisbury Capital where he built and managed a team focused on event- and fundamentally-driven investment opportunities. From 2000 until 2005, Mr. Steck was a partner at K Capital where he focused on European and U.S. opportunities that included special situations, merger arbitrage, deep value and shareholder activism. Prior to K Capital, Mr. Steck spent 10 years at UBS and its predecessors Swiss Bank Corporation and O'Connor & Associates, where he focused on equity derivative trading and risk management, built equity derivative and event-driven client businesses and was Global Co-Head of Equity Hedge Fund Coverage.

Mr. Steck received a B.S., with highest honors, from University of Illinois at Urbana Champaign.

Tiffany (“TJ”) Thom Cepak


Ms. Cepak has more than 20 years of operational and financial experience within the energy industry and was the Chief Financial Officer (“CFO”) of Energy XXI Gulf Coast Inc. from August 2017 until October 2018. She was also CFO of KLR Energy Acquisition Corp. (and subsequent to its business combination, Rosehill Resources Inc.) from January 2015 to June 2017 and CFO of EPL Oil & Gas, Inc. for four years until it was sold in 2014. Ms. Cepak has been a director of Patterson-UTI Energy, Inc. since August 2014. She served as a director of Yates Petroleum Corporation, a privately owned onshore exploration and production company, from October 2015 to October 2016. Ms. Cepak holds a B.S. in Engineering from the University of Illinois and a Masters of Business Administration in Management with a concentration in Finance from Tulane University.

Jeffrey E. Wojahn


Mr. Wojahn served as Executive Vice President of EnCana Corporation from 2003 to 2013 and was President of Encana Oil & Gas (USA) Inc. from 2006 to 2013. Beginning in 1985, Mr. Wojahn held senior management and operational positions in Canada and the United States and has extensive experience in unconventional resource play development. He served as Advisory Board member for Morgan Stanley Energy Partners from October 2014 until 2017. Currently, Mr. Wojahn is Executive Chairman of MiddleFork Energy Partners and also serves as a director of Bonanza Creek Energy Inc. Mr. Wojahn received his B.S. in Geophysics from the University of Calgary in 1985.