Ministry of Land, Infrastructure and Transport

Governor of Jeju Special Self-Governing Province

Ilbaeumteo

Graduate School of International and Area Studies, Hankuk University of Foreign Studies

Chungbuk National University

Enterprise Estonia

Ministry of Agriculture, Food and Rural Affairs

Pacific Climate Crisis Response Council

Science and Technology Policy Institute

Jeju Special self-Governing Provincial Council

Chung-Ang University

Jeju National University

Lifelong Education Headquarters at the Gyeonggido Provincial Institute for Lifelong Learning

Visitng Professor, Graduate School of International Studies, Yonsei University / Former Ambassador of the ROK to the Republic of South Africa and the Republic of Uganda

Youth Foundation