CEO, and President, and Chairman of the Board of Mariner Energy, Inc. (2001 – 2010), until Mariner merged with Apache Corporation in a transaction valued in excess of $4 Billion. From 2000 to 2002, he served as Vice President of Enron North America Corp. and co-managed its Energy Capital Resources group. From 1995 to 2000, Mr. Josey provided investment banking services to the oil and gas industry and portfolio management services to institutional investors as a co-founder of Sagestone Capital Partners. From 1993 to 1995, he was a Director with Enron Capital & Trade Resources Corp. in its energy investment group. From 1982 to 1993, he worked in the drilling, production, pipeline, corporate planning and commercial activities at Texas Oil and Gas Corp. He currently serves on the board of directors of Noble Corp. He is a former board member of Northern Tier Energy and Apache Corporation. Mr. Josey holds a BS in Mechanical Engineering from Texas A&M University, an MBA from the University of Texas at Austin, and a MS in Petroleum Engineering from the University of Houston.