Doctor of Philosophy, Kyungpook National University, 1995. Master of Science, Kyungpook National University, 1990.
Associate professor Inje University, since 1997. Senior research staff Electronics and Telecommunications Research Institute, 1987—1997. Editor ITU-T SG13, since 2006.
Visiting scholar Arizona State University, 2004—2005. Information Technology standardization expert Minister Information and Committee & Telecommunications Technology Associate, since 2001. Invited researcher Electronics and Telecommunications Research Institute, 1997.
With Korean Army, 1982-1984.
Married Hyun-Sook Kwak, January 21, 1990. Children: Young-Beom, Soon-Beom.