Center for Naval Analysis, USA

Delegation of the European to the Republic of Korea

Research Division, Economc Research Institute for Northeast Asia

Korea National Diplomacy Academy

Korea Institute for National Unification

Institute of Geoecology and Geoinformation, Adam Mickiewicz University

Lublin Institute

Okinawa University

Disaster Response Division Office, Jeju Special self-Governing Province

Jimmy Carter School of International Studies at Chonbuk National University

The Korea Transport Institute

Department of International Relations, Ritsumeikan University

Keio University

Korea Maritime Institute