Bee Yun Jo, PhD, is a nonresident senior fellow at the Indo-Pacific Security Initiative at the Atlantic Council’s Scowcroft Center for Strategy and Security and research fellow in Security Strategy Division at the Sejong Institute.

Before joining the Sejong Institute in March 2025, she was an associate research fellow in the Nuclear Security Research Division (Jan-Feb, 2025) and Defense Strategy Division (2020-2024) at the Center for Security and Strategy at the Korea Institute for Defense Analyses (KIDA). She was also a research professor at the Institute of International Affairs at Seoul National University (2020) and a full-time lecturer at East Asia International College at Yonsei University (2017-2020).

Her research focuses on South Korea’s deterrence and defense strategy, particularly ROK-US extended deterrence, US nuclear strategy, and nuclear latency. Her recent publications include US’s Low-yield Nuclear Weapons and Extended Deterrence on the Korean Peninsula (Seoul: KIDA, 2021), “Plan B for Non-Nuclear States in East Asia: Debating on Nuclear Latency as Means for Potential Deterrence” (National Strategy, Vol. 27, No. 4, 2021), “The Nukes We Need: Retrofitting American Extended Deterrent” (Journal of Peace and Unification, Vol. 12, No. 3, 2022), “Conventional-Nuclear Integration (CNI) as Alliance Practice for Extended Deterrence and Assurance” (JPU, Vol. 14, No. 1, 2024), and “Conventional-Nuclear Coordination as a Way Forward for U.S.-ROK-Japan Trilateral Security Cooperation” (Asia Policy, Vol. 20, No. 1, 2025). Her publications also appear in Asian Perspective, International Relations of the Asia-Pacific, and others.

She is an advisory committee member of the ROK Ministry of Foreign Affairs (MOFA), Department of Arms Control and Nonproliferation. She is also a director of general affairs of the Korean Association of Area Studies, an editorial board member of the Korean Political Science Association, a member of the planning board of the Korean Association for Political and Diplomatic History, and an evaluation committee member of the MOFA.

She holds a Bachelor of Fine Arts, with honors, from Rhode Island School of Design. She received an MA (valedictorian) and a PhD in International Studies from the Graduate School of International Studies at Seoul National University.