Bachelor of Science in Petroleum Engineering, Texas Agricultural and Mechanical University, 1982.
Production supervisor, Gulf Oil Corporation, Homer, Louisiana, 1982-1983; drilling engineer, Gulf Oil Corporation, Roosevelt, Utah., 1984-1985; drilling supervisor, Chevron United States of America, Copenhagen, Denmark, 1985; drilling engineer, Chevron United States of America, Houston, 1986-1989; operations drilling engineer, Cabinda (Angola) Gulf Oil Corporation Ltd., 1989-1992; senior staff drilling engineer, Tengiz (Kazakhstan) Chevroil, 1992-1994; senior drilling engineer, Chevron United Kingdom Ltd., Aberdeen, Scotland, since 1995. Chairman drilling subcommittee Permanent Labor Safety Commission, Tengiz, 1993-1994.
Member Society Petroleum Engineers, Aberdeen Association Drilling Engineers (steering committee since 1995), American Petroleum Institute, Association Former Students Texas Agricultural and Mechanical University (century member).
Married Bilinda Gail Jeffrey, December 6, 1986.