Mr. Keller, 61, is a member of the Corporate Governance & Nominating Committee. Mr. Keller has more than 25 years of experience in the oil and gas industry having most recently served as the vice chairman of the board and chief operating officer of Bill Barrett Corporation, a company founded in 2002 to focus on oil and gas exploration and development in the Rocky Mountain Region. Mr. Keller was previously a co-founder of Barrett Resources Corporation in 1981 and served as Barrett Resources’ executive vice president from 1983 until Barrett Resources was acquired in August 2001. He also served as chief financial officer, secretary and as a director of Barrett Resources at various times and recently retired from Bill Barrett Corporation. Mr. Keller has a BS degree from Kansas State University and an MBA from Colorado State University.
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