SES C.S. Eliot Kang to be Asst Secretary for International Security and Non-Proliferation (State/ISN)

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On April 12, President Biden announced his intent to nominate C.S. Elliot Kang to be the next Assistant Secretary for International Security and Non-Proliferation (ISN). The WH released the following brief bio:

C.S. Eliot Kang, Nominee for Assistant Secretary of State, International Security and Non-Proliferation, Department of State

C.S. Eliot Kang, a career member of the Senior Executive Service, currently serves as Acting Assistant Secretary, Bureau of International Security and Non-Proliferation at the U.S. Department of State.  He also has been performing the duties of Under Secretary for Arms Control and International Security since January 2021.  He has worked in the Bureau of International Security and Non-Proliferation since 2005 in a number of key positions, including Acting Assistant Secretary, Principal Deputy Assistant Secretary, Deputy Assistant Secretary and Special Adviser.  Previously, he worked in the U.S. Department of State’s Bureau of Arms Control and Bureau of Political-Military Affairs.  A former tenured professor, he taught international security at the University of Pennsylvania and Northern Illinois University and held fellowships at the Council on Foreign Relations and the Brookings Institution.  Kang received his Ph.D. from Yale University.  He also studied at Princeton University and received his A.B., summa cum laude, from Cornell University.  Kang is the recipient of numerous Department awards, including a Presidential Rank Award.  He speaks Korean and Japanese.


According to, the Bureau of International Security and Non-Proliferation was formed on July 29, 2005 with the merger of the Bureau of Non-Proliferation and the Bureau of Arms Control. Here is a short list of previous appointees:

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