1988 ~ 1990: Professor, Department of Political Diplomacy, Renhe University.
1990 ~ 1993: Professor, Department of Political Diplomacy, Xijiang University.
199 1: Director of Korea Institute of International Politics.
1992: Research Director, Korea Institute of International Politics.
1992 ~ 1993: Director, Institute of Social Sciences, Xinjiang University.
1993 ~1996:14 members of parliament.
-Member of the National Assembly Construction Committee
-Member of the Finance and Economic Committee of the National Assembly
-Member of the Special Committee of the National Assembly on Countermeasures
1994.12 ~1995.02: Deputy Speaker of the Democratic Liberal Party.
1995.02 ~ 1995.08: Chairman of the International Organization of the Democratic Liberal Party.
1995.08 ~ 1996.5: spokesman of the new Korea party of the Democratic Liberal Party.
1996.05 ~1996.11:Chairman of Policy Adjustment of New Korea Party.
1996.1~1997.08: Minister of Health and Welfare
1997.12 ~1998.02: president and secretary-general of the liberal democratic party.
1996.05: the 5th/kloc-0 member of parliament (re-elected)
-Member of the Education Committee of the National Assembly
-Member of the Culture, Sports and Information Committee of the National Assembly.
-Member of the Congressional Committee on Communication Science and Technology.
-Member of the Political Analysis Committee of the New Korea Party
-Member of Korea-US 2 1 Century Committee
-Member of the 2 1 Century Committee of the Korea-Japan Parliamentary Union.
199438+0 ~ 1999.08: Invited Professor at George Washington University, USA.
May 2000 ~ May 2002: Members of the16th Congress (3 members)
-Liberal Democrat party member.
-Finance and Economic Committee of Congress
-Representative of the Institute of Korean Studies of the National Assembly.
-Chairman of the "Korea-China Talks" of the National Assembly.
2002.06. 13: Elected Governor of Gyeonggi Province.