Bachelor of Science, Seoul National University, 1983. Master of Science, Seoul National University, 1985. Doctor of Philosophy, Seoul National University, 1994.
Lecturer Incheon University, Republic of Korea, 1988—1990, assistant professor Republic of Korea, 1990—1994, University of Incheon, Republic of Korea, 1994—1995, associate professor Republic of Korea, 1995—2000, head Student Counseling Center Republic of Korea, 1997—1998, professor Republic of Korea, since 2000. Consultant professor LG Electroncs (including former LGIC), Seoul, 1997—2001, 2004—2005, JTcorp Limited company, Incheon, since 2002. Chairman Coding and Information Theory Society, Korean Institute of Communications Sciences, Seoul, 2000.
Second lieutenant Korean Army, 1985-1986.
Member of Institute of Electrical and Electronics Engineers, Korea Electromagnetic Engineering Society (life), Korean Institute Communications Sciences (life), Institute Elecronics Engineers Korea (life).
Married Kyoung A Yu, May 19, 1985. Children: Cheol Yong, Shun Young.