Graduate, Korea Military Academy, 1962. Degree in electrical engineering, Seoul National University, 1966. Doctor of Philosophy electrical engineering, New York University, Stony Brook, 1972.
Professor, Korea Military Academy
senior researcher, Agency for Defense Development
chairman, Taejon International Exposition Organizing Committee, 1993;
vice minister committee, minister committee, Republic of Korea, 1981-1988;
minister transportation and construction, Republic of Korea, since 1993.