* Chairman and Chief Executive Officer, Chevron Corporation -- 1989 to 1999. * President and Chief Executive Officer, Chevron USA Inc. -- 1979 to 1984. * Assistant to the President -- 1969 to 1972. * Director of Citigroup (or predecessor) since 1987. * Other Directorships: Calpine Corporation and Halliburton Company. * Other Activities: American Petroleum Institute (member), The Business Council (member), Council on Foreign Relations (member), Cornell University (Trustee Emeritus), University of California at San Francisco Foundation (Director), The Basic Fund (Director), Committee to Encourage Corporate Philanthropy (Director), and National Petroleum Council (member).
