Al Walker is Chairman, President and Chief Executive Officer of Anadarko Petroleum Corporation. He joined Anadarko in 2005 as Senior Vice President and Chief Financial Officer, later serving as President and Chief Operating Officer. Prior to joining Anadarko, he worked in the oil and natural gas industry, investment and commercial banking and as an institutional investor. Mr. Walker is a director of BOK Financial Corporation (NASDAQ: BOKF), and the Houston Branch of the Dallas Federal Reserve. He is currently on the Board of Trustees for the Houston Museum of Natural Science, a member of the Business Council, the Business Roundtable, All-American Wildcatters, and serves as a director of the American Petroleum Institute (Executive Committee) and America's Natural Gas Alliance (Executive Committee).