Dr. Roehrig is Professor of National Security Affairs at the U.S. Naval War College. In addition, he is an adjunct professor at the Harvard University Extension School and a non-resident expert with the Center for Korean Legal Studies at Columbia University. He was a Research Fellow at the Kennedy School at Harvard University and a past President of the Association of Korean Political Studies.Roehrig has written numerous books, articles and book chapters on Korean and East Asian security issues, North Korea’s nuclear weapons program, the Northern Limit Line dispute, the South Korean Navy, deterrence theory and the U.S.-South Korea alliance. His books include Japan, South Korea, and the U.S. Nuclear Umbrella: Deterrence After the Cold War (Columbia University Press) and The Evolution of the South Korea-United States Alliance (Cambridge University Press), co-authored with Uk Heo. He has interviewed with and written for many news organizations including BBC, Bloomberg, Bulletin of Atomic Scientists, CNN, CTV (Canada), Fortune, Korea Times, National Interest, Newsweek, NK News, NPR, Reuters, The Hill, UPI and Voice of America. Dr. Roehrig received his Ph.D. from the University of Wisconsin-Madison and an M.A. from Marquette University, both in political science.EPISODE NOTES:Follow NucleCast on Twitter at @NucleCastEmail comments and guest nominations to NucleCast@anwadeter.orgSubscribe to NucleCast podcastRate the show