Bachelor, Korea University, Seoul, 1979. Master of Arts, Graduate School Korea University, Seoul, 1982. Doctor of Philosophy, University Wisconsin-Madison, 1988.
Professor Korea University, Seoul, since 1992. Chairman Graduate School International Studies, 1994—1996, Department Sociology, Korea University, Seoul, 1996—1998. Board member Welfare Foundation Youngsan, since 1995.
Viting fellow Center International Affairs, Harvard University, Boston, 1996. Visiting scholar Washington University, St. Louis, 1998—1999. Steering committee member Ministry of Labor, Seoul, 2000—2004, Bureau Statistics, Seoul, 2001—2008.
President Young Professional Institute Korea, since 2000. Adjunct professor Utah State University, Logan, since 2000. Secretary general Korean Sociological Association, Seoul, 2001—2002, editor chief Republic of Korea, 2005—2006.
Personnel Korean Association Comparative Sociology, Republic of Korea, 2001—2002. Committee member Presidential Committee Aging and Future Society, 2003—2004. Director Institute Social Research, Korea University, since 2006.
Editorial board member International Journal Comparative Sociology, London, since 2006. Coordinator chief Korea Foundation, Korea Studies Workshop, Seoul, 1995—1996. Director NFTE-KOREA, Seoul, since 2007.
Philanthropist Foundation Young Professionals Korea, Seoul, 2003—2009. Director Korea Bobsleigh Skeleton Federation, 2007. Fellow: KU Lions.
Married Ok Kyung Yang, June 3, 1984. Children: Juhyun, Juhee.