Prior to serving in his current position, Mr. Collins was also the Chief Financial Officer of Constellation from May 2007 until October 2008 and a member of Constellation's Management Committee, a Senior Vice President of Constellation from January 2004 to July 2007 and Constellation's Chief Risk Officer from December 2001 until January 2008. Mr. Collins was also Managing Director-Finance and Treasurer of Constellation Power Source Holdings, Inc. from January 2000 to December 2001. From February 1997 to December 2001, Mr. Collins served as the senior financial officer of Constellation Energy Commodities Group, Inc., or CCG.

Mr. Collins is the former Chairman of the Board of the Committee of Chief Risk Officers, an energy industry association of risk management professionals.

Mr. Collins earned a bachelor's degree in business administration from the University of Delaware and a MBA with a concentration in finance and strategic planning from the University of Pittsburgh's Katz School of Business.

Richard H. Bachmann is an independent member of our Board of Managers and our Audit, Compensation and Nominating and Corporate Governance Committees and is the Chairman of our Conflicts Committee.

Mr. Bachmann joined EPCO Inc., a privately held company, in 1999 as Executive Vice President, Chief Legal Officer and Secretary. Prior to joining EPCO Inc., Mr. Bachmann served as a Partner in the law firms of Snell & Smith P.C. from 1993 to 1998 and Butler & Binion from 1988 to 1993.

Mr. Bachmann currently serves as a Director and as Executive Vice President, Chief Legal Officer and Secretary of various affiliates of EPCO Inc., including Enterprise Products GP, LLC, the general partner of Enterprise Products Partners L.P., a publicly traded midstream energy company, and EPE Holdings LLC, the general partner of Enterprise GP Holdings L.P., a publicly traded midstream energy holding company. Mr. Bachmann also serves as a director and as President and Chief Executive Officer of the general partner of Duncan Energy Partners L.P., a publicly traded midstream energy company and also an affiliate of EPCO Inc.

Richard S. Langdon is an independent member of our Board of Managers and Compensation, Nominating and Corporate Governance and Conflicts Committees and is the Chairman of our Audit Committee.

Mr. Langdon is also currently the President and Chief Executive Officer of Matris Exploration Company and Sigma Energy Ventures, LLC, each of which is a privately held exploration and production company. From 1997 until 2002, Mr. Langdon served as Executive Vice President and Chief Financial Officer of EEX Corporation, a publicly traded exploration and production company that merged with Newfield Exploration Company in 2002.

Prior to that, he held various positions with the Pennzoil Companies from 1991 to 1996, including Executive Vice President – International Marketing – Pennzoil Products Company; Senior Vice President - Business Development – Pennzoil Company; and Senior Vice President – Commercial & Control – Pennzoil Exploration & Production Company.  Mr. Langdon also serves as a Director of Gasco Energy, Inc., a publicly traded exploration and production company. 

John N. Seitz is an independent member of our Board of Managers and Audit and Conflicts Committees and is the Chairman of our Compensation and Nominating and Corporate Governance Committees.

Mr. Seitz is also currently Vice Chairman of the Board of Directors of Endeavour International Corporation, a publicly traded oil and gas exploration and production company which he founded in February 2004. 

Prior to founding Endeavour International Corporation, Mr. Seitz served as Chief Executive Officer, President and Chief Operating Officer of Anadarko Petroleum Corporation from January 2002 to March 2003, and prior to being named Chief Executive Officer, President and Chief Operating Officer, Mr. Seitz was the Chief Operating Officer and President of Anadarko Petroleum Corporation beginning in 1999.   Mr. Seitz also served as Anadarko Petroleum Corporation’s Executive Vice President, Exploration and Production and as a member of its Board of Directors from 1997 to 1999.

Stephen R. Brunner was appointed President and Chief Executive Officer of Constellation Energy Partners in March 2008 and became an employee of the company in January 2009. He continues to serve in the role of Chief Operating Officer, a role he assumed in February 2008. Mr. Brunner has more than 25 years of experience operating oil and gas properties both domestically and internationally.

Prior to joining Constellation Energy Partners, Mr. Brunner also served as a Vice President for Constellation Energy Commodities Group, Inc., or CCG, where he provided support for Constellation Energy Partners in various operational activities.

Prior to joining CCG in February 2008, Mr. Brunner served as the Executive Vice President of Operations for Pogo Producing Company, where he was responsible for all aspects of exploration, production, acquisition and divestiture activity for seven business units in the United States, Canada, New Zealand and Vietnam.

During his 13-year tenure at Pogo, Mr. Brunner also served as Vice President of Operations, overseeing both domestic and international operations. He served as the Resident Manager of Thaipo Limited, a subsidiary of Pogo, as well as Offshore Operations Manager. Prior to his career with Pogo, he held various positions with Zilkha Energy Company, Chevron Corporation and Tenneco Oil Company.

Mr. Brunner earned a BS in petroleum engineering from Louisiana Tech University in 1981.

Prior to joining Constellation Energy Partners, Mr. Ward also served as a Vice President for Constellation Energy Commodities Group, Inc. from November 2005 until December 2008. During that time, he provided financial expertise and support to Constellation Energy Partners and helped lead the company through its initial public offering in November 2006.

Mr. Ward was a Vice President of Enron North America Corp. from March 2002 to November 2005 and, prior to that, held various finance and asset management positions at Enron, El Paso Energy, and Tenneco.

Mr. Ward earned a MBA from Rice University in 1992 and a BS in accounting from the University of Houston in 1987.