University of Science, Malaysia

Senior Fellow, the Institute for Global Environmental Strategies

NASA

Former National Security Advisor of India

Economc Research Institute for Northeast Asia

German Commission for UNESCO

American Fuel & Petrochemical Manufacturers

The Human Development Institute(HDI)

Special Advisor to the President of the ROK for Unification and National Securit

Jeju Free International City Development Center

Jeju Special Self-Governing Provincial Government

Cheju Halla University

Centre for Political Studies, Indonesian Institute of Sciences(LIPI)

Ambassador of Japan to the ROK

Former Minister of Foreign Affairs of Indonesia