Seong-Ryoul Cho is a Senior Advisor in the Institute for National Security Strategy(INSS). He is advising as an advisor for the Office of National Security, the Department of National Defense, and the Department of Unification, and is a standing member of the National Unification Advisory Council. He was a vice President of the Korean Association of International Studies (KAIS) and the President of the Korean Association of North Korean Studies (KANS). He was a Visiting Fellow at Tokyo University, Keio University, and Chinese Foreign Affairs University. He graduated in Chemical Engineering at Seoul National University in 1982 and holds an MA and a Ph.D in political science at Sungkyunkwan University in Seoul. He has contributed many writings on contemporary military and international issues in Northeast Asia including US Forces in Korea: Retrospect and Prospect, 2003 and Peace Regime for the Korean Peninsula: Denuclearization of the Korean Peninsula and Observations on the DPRK Regime, 2007, The New Korean Vision: Denuclearized, Peaceful and Unified Korea, 2012 and International Politics of Strategic Spaces: Arms Races in the Domains of Nuclear Weapons, Space, Cyberspaces, 2016.