Bachelor of Science, Kyunghee University, Seoul, Republic Of Korea, 1992. Master of Science, Kyunghee University, Seoul, Republic Of Korea, 1994. Doctor of Philosophy in Computer Science and Engineering, Chungnam National University, Daejeon, Republic Of Korea, 2007.
Senior member, engineering staff Electronics and Telecommunications Research Institute, Daejeon, 1998—2007, project technical manager, 2004—2008, principal member, engineering staff, 2008. Commissioner Telecommunications Technology Association, Project Group-214, Bundang, Republic of Korea, since 2006. Sergeant Radio Teletype, 1987-1989, 9th Army Corps.
Member of Institute Electronics Engineers Korea, Institute Electronics Communications Engineers, Korea Information Communications Society, Future Internet Forum.
Married Ji Young Choi, March 4, 1995. Children: Sangho, Eugene.