Bachelor of Science, Ajou University, Soowon, Korea, 1984. Master of Science in Mechanical Engineering, Korea Advanced Institute of Science and Technology, 1989. Data Envelopment Analysis Mechanical Engineering, University Franche-Comte, Besancon, France, 1993.
Doctor of Philosophy in Mechanical Engineering, University Franche-Comte, Besancon, France, 1996. Bachelor of Science in French Literature, Korea Open University, Seoul, 2007.
Engineer Ssangyong Motor Company, Pyeongtaek, Republic of Korea, 1989—1992. Adjunct professor Seoul National University of Technology, Republic of Korea, since 2002. Professor University of Science and Technology, Daejeon, Republic of Korea, since 2005.
Donator Korea Red Cross, Seoul, since 2001. Contributor Distinguished Service to Korean Railroad Research Institute. Member of Korea Society Mechanical Engineers.
Married Sang Jung Byun, March 1, 1997. Children: Ji Eon, Gang Woon.