He is a visiting professor of Kyung Hee University and an adjunct professor of department of law, Soongsil University, Seoul, Korea. He has received Ph.D. in international law from Kyung Hee University. He is currently teaching International Law, International Economic Law, International Society and Law, Global Leader for Academic Excellence Seminar, International Dispute Resolution, International Trade Law and other International Law-related lectures at Kyung Hee University, Soongsil University and etc. 

His research interests are International Public Law, International Economy Law, Export Control, Non-proliferation of WMD, Security Exception of GATT/WTO, Use of Force and Self-defense. He is also a General Affairs Director of the Korean Society of International Economic Law (KSIEL, 2014~currently), a Director of the Korean Society of International Law (KSIL, 2013~currently), a Director of ILA Korean Branch (2012~currently), a Research Director of the Korea Association of Security and Trade (KAST, 2014), and a Vice President Director of the Foundation for Development of International Law in ASIA-KOREA (DILA-KOREA, 2015~currently).