Bachelor, Seoul National University, 1971. Master of Arts, Seoul National University, 1973. Doctor of Philosophy, Harvard University, 1982.
Assistant to professor Seoul National University, Republic of Korea, since 1982. Director Institute Social Development of Policy Research, Seoul, 1995-1999. Visiting professor Duke University, Durham, North Carolina, 1997.
Research fellow Center for East Asisn Studies, University Chicago, 1989-1990. Research associate Center International Affairs., Harvard University, Cambridge, Massachusetts, 1980-1982.
Vice president Nana Association for National Policy, 1997-1998. Captain Army, 1973-1976. Member American Sociological Association, International Political Science Association, Association for Asian Studies.
Married Sun-Hee Youm.