Bachelor of Science, Incheon University, Republic of Korea, 1984. Master of Science, Yonsei University, Seoul, 1986. Doctor of Philosophy, Keio University, Tokyo, 1992.
Special researcher science and technical Communications Research Laboratory, Ministry Posts and Telecomm., Tokyo, 1992—1995. Professor department information and communications engineering Mokwon University, Daejeon, Republic of Korea, since 1995. Visiting researcher department electrical engineering Keio University, Tokyo, 1992—1993.
Invited researcher Electronics and Telecommunications Research Institute, Daejeon, 1995—1999. Chair policy planning group frequency allocation Ministry Information and Communications, Seoul, since 1999. Visiting chief researcher YRP Mobile Telecommunications Key Technology Research Laboratory Company Ltd., Yokosuka, Japan, 2000—2001.
Member patent judging committee Korea Intellectual Property Office, Daejeon, since 2002. Member advisory committee Central Radio Management Office, Ministry Information and Communications, Seoul, since 2002. Director Korea Radio Station Management Agency, Seoul, since 2004.
2nd lieutenant Korean Military, 1986-1987.
Married Hae-Sun Min, October 3, 1964. Children: Ka-Hyun, Jong-Hak.