B.Sc in electronics engineering in 1989 from Hanyang University, Seoul, S.Korea
Ph.D. in Electrical & Electronic engineering from University of Newcastle upon Tyne, UK, in 1996.
1996 to 1997: Research fellow for University of Sheffield, UK
1997 to 2006 as a head of interactive media research team in Broadcasting Media Technology Department, Electronics and Telecommunications Research Institute, S. Korea.
2006-Present: Professor at Electronics Eng., in Kyunghee University, S. Korea
2000-2005: Head of Korean Delegates to MPEG international standard organization
2012-Present: MPEG Communication subgroup chair
2010-2012: TTA 3DTV PG Chair
2014-Present: UHD Division Chair in Future Broadcasting Media Forum, S. Korea