Doctor of Philosophy, Tokyo University, 1995.
Professor Pukyong National University, Pusan, Korea, since 1995. Technology member Korea Technology Credit Guarantee Fund, Seoul, Korea, since 2000.
Fellow Korea Association Refrigeration. Member American Society of Mechanical Engineers, Japan Association Mechanical Engineering, Korean Association Mechanical Engineering.
Married Kyeong Seon Bong, September 26, 1964. Children: Ji Young, Ji Won.