2nd Vice Minister of Foreign Affairs,Republic of Korea
Secretary-General,Trilateral Cooperation Secretariat (TCS)
Professor,Seoul National University
Professor,Ewha Women's University
Professor,Hansung University
Tenured Senior Lecturer,Ibaraki University
Professor,Peking University, Institute of Population Research
Visiting Professor,Gyeongsang National University
Senior Managing Director,The Institute of Energy Economics, Japan
Professor,International Relations,University of Queensland
President,Korean Association of International Studies (KAIS)
Dean of the Graduate School of Humanities and Social Sciences, University of Tsukuba