Economc Research Institute for Northeast Asia

Institute for Economics and Peace

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

Open Society Foundations

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

Ambassador of Japan to the ROK

Board of Investment, Thailand

The Manila Times

Diplomatic Academy of Vietnam

Former Deputy Special Representative for Korean Peninsula Affairs of China

Seijo University, Japan