Senior Nuclear Power Planner/Economist, Planning & Economic Studies Section, Division of Nuclear Power, International Atomic Energy Agency since 1989. Director for International Nuclear Power Safety Affairs, 1987-1989, Director for General Coordination, Division of Nuclear Power Safety Examination, 1986-1987, Agency of Natural Resources & Energy, MITl, Japan. Deputy Director, Office of Nuclear Safety Policy, Science & Technology Agency, Japan, 1985-1986.
Deputy Director, Energy Conservation Technology Development Office, Agency of Industrial Science & Technology, MITl, Japan, 1984-1985. Deputy Director, Division of Oil-Alternative Energy Policy, 1982-1984, Deputy Director, Division of Nuclear Power Safety Administration, 1981-1982, Agency of Natural Resources and Energy, MITl, Japan.