Board of Directors

Jack E. Vaughn, Chairman

Mr. Vaughn joined our Board in April 2017, effective upon emergence from the Chapter 11 Proceeding in accordance with the Restructuring Plan. Mr. Vaughn has served as the Chairman and Chief Executive Officer of Peak Exploration and Production, LLC since March 2011, where he is responsible for executive management of all operational activity, including drilling, completion, and facility construction in all operating areas, as well as all gas and crude oil transportation and marketing, regulatory and environmental compliance activities. Mr. Vaughn serves on the Board of Directors of Saddle Butte Pipeline II, LLC and was the co-founder and a member of the Board of Directors of Momentum Midstream, LLC from 2007 to 2011. In addition, Mr. Vaughn has held several senior management positions at energy companies in the United States, including Peak Energy Resources, Inc., EnerVest Management Partners, LP and Emerald Gas Operating Company. Mr. Vaughn received his B.S. in Petroleum Engineering from the University of Texas at Austin.

Eric T. Greager, Director

Mr. Greager joined our board and was named President and Chief Executive Officer effective April 11, 2018. Mr. Greager previously served as a Vice President and General Manager at Encana Oil & Gas (USA) Inc. Mr. Greager joined Encana in 2006 and served in various management and executive positions, including as a member of the boards of directors of Encana Procurement Inc. and Encana Oil & Gas (USA) Inc. Mr. Greager previously served on the board of directors of Western Energy Alliance and the board of managers of Hunter Ridge Energy Services. Mr. Greager received his Master’s Degree in Economics from the University of Oklahoma and his Bachelor’s Degree in Engineering from the Colorado School of Mines. He is a licensed Professional Engineer.

Paul Keglevic, Director

Mr. Keglevic joined our Board in April 2017 and is the Audit Committee Chairman and member of the Nominating and Corporate Governance Committee. Mr. Keglevic served as the Chief Executive Officer of Energy Future Holdings Corp., (“EFH”), from October 2016 until his retirement in March 2018. Previously, Mr. Keglevic served as Executive Vice President and Chief Financial Officer for EFH from June 2008 until October 2016. Mr. Keglevic also served as the Chief Restructuring Officer for EFH beginning in April 2014. Mr. Keglevic was a partner at PricewaterhouseCoopers (“PWC”), where he worked from July 2002 to July 2008. At PWC he was a member of the US leadership team. Prior to PWC, Mr. Keglevic served on the US leadership team for Arthur Andersen, where he was a partner for 15 years. Mr. Keglevic serves on the board of directors of Stellus Capital Investment Corp., Clear Channel Outdoor Holdings, Inc., and PetSmart. He previously served as a member of the board of directors of Philadelphia Energy Solutions LLC, Cobalt International Energy, Inc., and several subsidiaries of EFH. He has also been on the boards of the Dallas and State of California Chambers of Commerce and several other charitable and advisory boards. Mr. Keglevic received his B.S. in accounting from Northern Illinois University and is a certified public accountant.


Brian Steck, Director

Mr. Steck joined our Board in April 2017, effective upon emergence from the Chapter 11 Proceeding in accordance with the Restructuring Plan. Mr. Steck has served as a Partner, Senior Analyst at Mangrove Partners where he has worked since 2011. 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 serves on the board of directors of Penn Virginia Corporation.

Thomas B. Tyree, Jr., Director

Mr. Tyree joined our Board in April 2017, effective upon emergence from the Chapter 11 Proceeding in accordance with the Restructuring Plan. Mr. Tyree is the Executive Chairman of Northwoods Energy LLC, an upstream oil and gas company, and has held that position since January 2018. Previously, Mr. Tyree served as President, Chief Financial Officer and Member of the Board of Managers of Vantage Energy, LLC from 2006 until its sale to Rice Energy Inc. in October 2016. Prior to Vantage Energy, Mr. Tyree served as Chief Financial Officer of Bill Barrett Corporation from 2003 through 2006. From 1989 through 2003, Mr. Tyree served in various positions in the Investment Banking Division at Goldman, Sachs & Co., including as a Managing Director. Mr. Tyree began his career with Bankers Trust Company in 1983 as an Associate in Corporate Finance. Mr. Tyree received his M.B.A. from The Wharton School at the University of Pennsylvania with concentrations in Finance and Entrepreneurial Management. He received his B.A. from Colgate University with concentrations in Economics and Philosophy, and he currently serves as a member of the Colgate Board of Trustees.

Scott D. Vogel, Director

Mr. Vogel joined our Board in April 2017, effective upon emergence from the Chapter 11 Proceeding in accordance with the Restructuring Plan. Mr. Vogel has served as the Managing Member at Vogel Partners LLC, a private investment firm, since July 2016, after serving as Managing Director at Davidson Kempner Capital Management investing in distressed debt securities from 2002 to July 2016.  Previously, he worked at MFP Investors, investing in special situations and turnaround opportunities for the private investment firm of Michael F. Price, and at Chase Securities in its investment banking group.  Mr. Vogel has served on numerous boards during his career and is currently a member of the board of Arch Coal, Avaya, Key Energy Services, Seadrill, and several private companies.  Mr. Vogel is a member of the Olin Alumni Board of Washington University and a member of the Advisory Board of Grameen America.  Mr. Vogel received his M.B.A. from The Wharton School at the University of Pennsylvania and his B.S.B.A. from Washington University. Mr. Vogel’s mix of experience with executive management oversight, finance and capital markets, human resources and compensation, and strategic planning has led the Board to conclude that he has the expertise necessary to serve as a director of the Company.


Jeffrey E. Wojahn, Director

Mr. Wojahn was elected as a member of our Board on November 10, 2014. 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 has served as the Executive Chairman of MiddleFork Energy Partners since March 2017 and served as a Strategic Advisory Board member for Morgan Stanley Energy Partners from October 2014 until April 2017. Mr. Wojahn received his B.S. in Geophysics from the University of Calgary in 1985.