Bachelor of Science in Mathematics, University Arkansas, Fayetteville, 1978.
Various positions Wal-Mart Stores, Inc., 1978—1994, senior vice president, chief information officer, 1994—1997, member executive committee, 1997. Senior vice president, chief information officer Dell, Inc., Round Rock, Texas, 2000—2005. Executive vice president, chief information officer Hewlett-Packard Company, Palo Alto, California, since 2005.
Member President Information Technology Advisory Committee, since 2003.