Doctor of Philosophy in Business Administration, Kyung-Hee University, Seoul, 1981—1984.
Research member Korea Productivity Center, Seoul, 1974—1977. Director Business Research Center Ewha Womans University, 1994—2003. Dean College Business and Economics, Ewha Womans University, Republic of Korea, 1996—1998, College Political Science and Law, Ewha Womans University, Seoul, 1996—1997.
Director, Chief Executive Officer/founder research center Korean Business Management, since 2003. President Korea Productivity Association, Seoul, 1994—1995, Korean Securities Association, Seoul, 1996—1998, Asia-Europe Perspective Association, Seoul, since 2005. With South Korean Army, 1964-1966.
Married Byung-Soon Ryu, February 15, 1953. Children: Seung-Hwan, Seung-Joon.