Doctor, Chungnam National University, Daejeon, 2003.
Assistant researcher Korea Institute Machinery and Materials, Daejeon, 1998—2000, Korea Atomic Energy Research Institute, Daejeon, 2000—2004. Research scientist Samsung Electro-Mechanica Company Ltd., Myunghak Li, Republic of Korea, since 2004. Soldier First Division Marine Corps., 1989-1991, Pohang.
Teacher Munji Church, Daejeon, 2003. Member of Korean Institute Metals and Materials (associate).
Married Haejung Kim, September 6, 1974.