- CEO of ENR CO. LTD
- Guest Professor of Sichuan Institute of Atomic Energy
- Affiliated Professor of Konkuk University
- Major Careers
- Director (Principal Researcher), Korea Atomic Energy Research Institute (KAERI)
- Principal Investigator of the National Projects for Development of Special Purposed Food (Korean Space Food, Patients Food, and Emergency Food), and for Establishment of National Regulation of Phytosanitary Measures of Agricultural
- Produces and Fruits
- Korean Representative of IAEA/RCA Project on Food Irradiation Section
