Bachelor of Science, Seoul National University, 1983. Master of Science, Seoul National University, 1987. Doctor of Philosophy, Seoul National University, 1996.
Clinical fellow Seoul National University Hospital, 1990-1991. Staff physician Seoul City Boramae Hospital, 1991-1992. Research fellow University Pennsylvania Hospital, Philadelphia, 1992-1994.
Staff physician Samsung Medical Center, Seoul, 1994-1996. Associate professor Sungkyunkwan University School Medicine, 1997—2001. Professor Sungkyunkwan University School Medical, since 2002.
Member Korean Society Otolaryngology, Korean Rhinological Society, International Rhinological Society.
Parents Young Song and Chun Ja Choi. Married Hi Jean Kim, September 30, 1986. Children: Hyun Jae, Hyun June.