John B. Walker (Executive Chairman)
John B. Walker has served as our Executive Chairman since January 2012. Prior to that, he served as our Chairman and Chief Executive Officer since 2006. He has been the
President and CEO of EnerVest, Ltd. since its formation in 1992. Prior to that, Mr. Walker was President and Chief Operating Officer of Torch Energy Advisors Incorporated,
a company which formed and managed partnerships for institutional investors in the oil and natural gas business, and Chief Executive Officer of Walker Energy Partners, a master
limited partnership engaged in the exploration and production business. In his early career on Wall Street, Mr. Walker was selected by Institutional Investor as an “All American”
energy analyst for six years in a row. He served the Independent Petroleum Association of America (IPAA) as Chairman from 2003 - 2005. In November 2007, he received the oil and
natural gas industry’s highest award, the Chief Roughneck Award. He is a member of the National Petroleum Council and All–American Wildcatters. He serves or has served on the
boards of the Houston Producers’ Forum, Foundation for Energy Education, Petroleum Club of Houston, and the Texas Independent Producers and Royalty Owners Association. His civic
activities include having served as Chairman of the Board of Stewards of Chapelwood United Methodist Church and Chairman of the Board of Directors of the Sam Houston Area Council
of the Boys Scouts of America. In 2001, he received the Silver Beaver Award and in May 2007 the Distinguished Eagle from the Boy Scouts of America. In 2004, he was named
Distinguished Alumni at Texas Tech University and in January 2012 he was appointed by Gov. Rick Perry to serve on the Board of Regents. He holds a BBA with Honors from Texas
Tech University and an MBA (with distinction) from New York University.
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Mark A. Houser (President and CEO)
Mark A. Houser has served as our President and Chief Executive Officer since January 2012. Prior to that, he served as our President and Chief Operating Officer since 2006. He also serves as Executive
Vice President and Chief Operating Officer of EnerVest, Ltd. since 1999. Prior to that, Mr. Houser was Vice President, United States Exploration and Production, for Occidental
Petroleum Corporation (“Oxy”), where he helped lead Oxy’s reorganization of its domestic reserve base, including the successful $3.65 billion acquisition of the Elk Hills Naval
Petroleum Reserve. In 1989 he joined Canadian Occidental Petroleum, Ltd. (now Nexen Inc.), where he held positions of increasing responsibility, including Vice President of
Corporate Planning and Investor Relations in Calgary and Vice President of Exploration for CXY Energy, Canadian Oxy’s United States subsidiary. Mr. Houser began his career as
an engineer with Kerr–McGee Corporation. He holds a petroleum engineering degree from Texas A&M University and an MBA from Southern Methodist University. Mr. Houser serves as
the chairman of the industry board of the Texas A&M University Department of Petroleum Engineering and is a member of the Society of Petroleum Engineers. Mark was recently
inducted into the Texas A&M Petroleum Engineering Academy of Distinguished Graduates. Additionally, he serves on the board of directors for The Methodist Hospital System and
on the administrative board of Chapelwood United Methodist Church.
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Michael E. Mercer (SVP and CFO)
Mike Mercer has been Senior Vice President and Chief Financial Officer since EVEP’s initial public offering in 2006. He was a consultant to EnerVest, Ltd. from 2001 to 2006.
Prior to that, Mike was an investment banker for 12 years. He was a Director in the Energy Group at Credit Suisse First Boston in Houston and a Director in the Energy Group at
Salomon Smith Barney in New York and London. He holds a BBA in Petroleum Land Management from the University of Texas at Austin and a MBA from the University of Chicago Graduate
School of Business.
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Ronald J. Gajdica (SVP Acquistions)
Ronald J. Gajdica has served as Senior Vice President of Acquisitions since June 2010. Prior to joining EV Energy Partners, Dr. Gajdica served as a Managing Director in the
Houston office of Scotia Waterous, a global leader in advisory services for oil and natural gas acquisitions and divestitures. He was responsible for the Mergers, Acquisitions
and Divestment technical advisory team for the U.S. and Latin America, as well as IT, Graphics and Administrative functions. Dr. Gajdica was employed by BHP Billiton Petroleum
from 1999-2007 where he held the positions of Petroleum Engineering Manager, Americas Production Manager, Atlantis Deepwater Project Director and VP Global Planning and Evaluation.
Prior to that, he worked at ARCO for 10 years in a variety of domestic and international assignments, including Global Director of Reservoir Studies and SEC Reserves Coordinator.
He began his career at Tenneco Oil Company in 1983 spending 5 years as a reservoir and production engineer. Dr. Gajdica holds Bachelor (ranked first in class) and Master (ranked
first in class) of Science degrees in Petroleum Engineering from Texas A&M University, and a Ph.D. in Petroleum Engineering from Stanford University. He is a member of the Society
of Petroleum Engineers, spent 13 years as an SPE Technical Editor, is a registered Professional Engineer in the state of Texas and has authored several technical papers.
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Victor Burk was appointed to our Board of Directors in September 2006. Since 2009, Mr. Burk has been a Managing Director for Alvarez and Marsal, a privately owned professional
services firm. From 2005 to 2009, Mr. Burk was the global energy practice leader for Spencer Stuart, a privately owned executive recruiting firm. Prior to joining Spencer Stuart,
Mr. Burk served as managing partner of Deloitte & Touche’s global oil and natural gas group from 2002 to 2005. He began his professional career in 1972 with Arthur Andersen and
served as managing partner of Arthur Andersen’s global oil and natural gas group from 1989 until 2002. Mr. Burk is a current board member of the PNGS GP LLC, the general partner
of PAA National Gas Storage, L.P. (NYSE: PNG). He is also a board member of the Independent Petroleum Association of America (Southeast Texas Region) and Sam Houston Area Council
of the Boy Scouts of America. He holds a BBA in Accounting from Stephen F. Austin University, graduating with highest honors. Mr. Burk has over 30 years of experience in the oil
and natural gas industry, with extensive experience in public accounting and consulting. Mr. Burk brings to our board wide expertise in financial and accounting matters relating
to the oil and natural gas industry as well as providing leadership in complex business organizations.
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James R. Larson was appointed to our Board of Directors in September 2006. Since January 1, 2006, Mr. Larson has been retired. From September 2005 until January 1, 2006, Mr. Larson
served as Senior Vice President of Anadarko Petroleum Corporation. From December 2003 to September 2005, Mr. Larson served as Senior Vice President, Finance and Chief Financial Officer
of Anadarko. From 2002 to 2003, Mr. Larson served as Senior Vice President, Finance of Anadarko where he oversaw treasury, investor relations, internal audits and acquisitions and
divestitures. From 1995 to 2002, Mr. Larson served as Vice President and Controller of Anadarko where he was responsible for accounting, financial reporting, budgeting, forecasting and
tax. Prior to that, he held various tax and financial positions within Anadarko after joining the company in 1981. Mr. Larson is a current member of the American Institute of Certified
Public Accountants, Financial Executives International, Tax Executives Institute and the National Association of Corporate Directors. Mr. Larson also serves on the Board of Compressco
Partners GP Inc., general partner of Compressco Partners, L.P. He holds a BBA in Business from the University of Iowa. Mr. Larson has nearly 30 years of experience in the oil and natural
gas business, and has served as chief financial officer of a large independent oil and natural gas company. We believe that his knowledge of the industry and finance and accounting provide
a critical resource and skill set to our board of directors.
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George Lindahl III was appointed to our Board of Directors in September 2006. From 2007 to the present, Mr. Lindahl manages GL III Investments and from 2001 to 2007, he was a Managing
Partner for Sandefer Capital Partners. From 2000 to 2001 he served as Vice Chairman of Anadarko Petroleum Corporation. From 1987 to 2000, he was with Union Pacific Resources, serving as President
and Chief Operating Officer from 1996 to 1999 and as Chairman, President and CEO from 1999 to 2000. He holds a BS in Geology from the University of Alabama and has completed the Advanced Management
program at Harvard Business School. Mr. Lindahl has extensive geological and engineering experience, as well as leadership skills and a proven track record of successful investments in the oil and
natural gas business. We believe that Mr. Lindahl’s technical knowledge and experience and his leadership skills provide an important resource to our board of directors.
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Gary R. Petersen was appointed to our Board of Directors in September 2006. Since 1988, Mr. Petersen has been Senior Managing Partner of EnCap Investments L.P., an investment management firm which
he co–founded. He had previously served as Senior Vice President of the Corporate Finance Division of the Energy Banking Group for Republic Bank Corporation from 1985 to 1988. Prior to his position at
Republic Bank, he was Executive Vice President and a member of the Board of Directors of Nicklos Oil & Gas Company from 1979 to 1984. He began his career at Republic National Bank of Dallas where he
worked his way up to group vice president in oil and gas lending. Mr. Petersen serves on the board of multiple EnCap portfolio companies and is a member of the board of directors of the general partner
of Plains All American Pipeline, L.P., a publicly traded partnership engaged in the transportation and marketing of crude oil. He is a member of the Independent Petroleum Association of America, the
Houston Producers’ Forum and the Petroleum Club of Houston. Mr. Petersen holds a BBA and an MBA from Texas Tech University. Mr. Petersen brings to our board the expertise he has acquired from being
involved in the energy sector for more than 30 years, including extensive knowledge of the energy sector’s various cycles, as well as the current market and industry knowledge that comes with management
of approximately $12 billion of energy-related investments.
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