- Hankuk University of Foreign Studies
- Goethe University Frankfurt
- Xiamen University
External person
- National Health Insurance Corporation
- The Board of Audit and Inspection of Korea
- Korean Women's Development Institute
External person
- Eulji University
- Hanyang University
External person
- National University of Singapore
- Chung-Ang University
External person
- Xi'an Jiaotong University
External person
- Singapore Management U.
- Singapore Management University
External person
- Washington State University Pullman
- Korea Institute for Industrial Economics & Trade
External person
- University of Tsukuba
- Korea University
External person
- Australian National University
- American University in Cairo
External person
- Korea Labor Institute
- Korea Labor Institute
External person
- Singapore Management University
External person
- Asian Development Bank Philippines
- The University of Tokyo
External person
- Korea Research Institute for Vocational Education and Training
External person
- National Central University
- Academia Sinica - Institute of Economics
External person
- Korea Development Institute
External person
- Korea Development Institute
External person
- Mitsubishi Trust and Banking Corporation
External person
- Korea Development Institute
External person
- Korea University
- Vanderbilt University
External person
- Korea International Trade Association
External person
- Hebrew University of Jerusalem
External person
- European University Institute, San Domenico di Fiesole
- Georgetown University
External person
- Hanken School of Economics
External person
- University of Southern California
External person
- National University of Singapore
External person
- National Institute for Health and Welfare
External person