Dr. Cheon is a Senior Research Fellow at the Korea Institute for National Unification (KINU), Seoul, South Korea. Currently, he is also a member of the Foreign Affairs and Security Bureau, Presidential Council for Future & Vision and a member of Policy Advisory Committees for the Ministry of Unification, and for Crisis Management, Office of the President. He is also an Editorial Consultant for Radio Free Asia (RFA). Dr. Cheon received his Ph.D. in Management Sciences from the University of Waterloo, Canada. He is the author of numerous books and reports including “Changing dynamics of US extended nuclear deterrence on the Korean Peninsula,” Pacific Focus, Vol. XXVI, No.1 (April 2011), Center for International Studies, Inha University; ROK-U.S. Strategic Cooperation for Denuclearizing North Korea (Seoul: Korea Institute for National Unification, 2009) (in Korean); and PSI and the South Korean Position (Seoul: Korea Institute for National Unification, 2008) (in Korean).