B.A. of Politics of Kyunghee Univ(1972), M.A. of Science of Public Administration of Yonsei Univ.(1974), Ph.D. of Politics of Chungang Univ.(1981), completed the graduate course in politics at Columbia Graduate School in U.S.A.(1983), and Honorary Doctor of Laws of Chungnam National Univ.(2003)

He has successfully worked as: Teaching Assistant, Full-time Lecturer, Assistant Professor, Association Professor, and Professor of Kyungnam Univ., Professor and Dean of North Korean Graduate School of Kyungnam Univ., Political Secretary of President's Secretary Office, Chairman of Daejeon Seo-gu Wul district party chapter. He has been the 8th Mayor of Daejeon Metorpolitan City since July, 2003

He is also President of Hanbat National Univ. and The President of World Technopolis Association(WTA) He has written and translated many books?