Bachelor of Science, Busan National University, Korea, 1985. Master of Science, Korea Advanced Institute of Science and Technology, Seoul, 1987. Doctor of Philosophy, Korea Advanced Institute of Science and Technology, Seoul, 1991.
Visiting professor Pennsylvania State University, Pennsylvania, 2001—2002. Professor Kyungsung University, Busan, since 1991.
Committee of government officials examination Civil Service Commission, Seoul, 2000—2005. Member Korea Christian Scientists and Engrs.Forum, Republic of Korea, since 2005. Member of Institute of Electrical and Electronics Engineers, Korea Information Processing Society, Korea Institute of Information Science, Association for Computing Machinery, Korea Institute of Electronics Engineers (life).
Married Kyunghee Tak, February 25, 1988. Children: Sehgyu, Moongyu.