Jiyoung Ko is a fellow at the Yale Jackson School of Global Affairs’ Nuclear Security Program, part of International Security Studies.

Jiyoung is an Assistant Professor of Political Science and International Relations at Korea University. Her research interests include nuclear proliferation, extended nuclear deterrence, alliance politics, public opinion, and nationalism. She was a U.S.-Korea NextGen Scholar (2018-2019) and a postdoctoral fellow at the Notre Dame International Security Center. Her work has appeared in International Studies Quarterly, Journal of Conflict Resolution, Journal of Peace Research, and Foreign Policy Analysis.  She is an organizer of the Pacific International Politics Conference (PIPC) Online Speaker Series. She received her B.A. and M.A. from Korea University and her Ph.D. in Political Science from Yale University. 

She is currently working on a paper that examines the factors that influence an ally’s perception of the credibility of extended nuclear deterrence. Using a conjoint survey experiment conducted in South Korea, this project evaluates the impact of a patron state’s reassurance signals and its domestic contextual factors on the public’s perception of extended nuclear deterrence in a client state.