Dr. Sayaka Shingu has a long career in the fields of arms control, disarmament and nonproliferation as a granddaughter of atomic bomb survivors in Hiroshima. As Assistant Director of Non-Proliferation, Science and Nuclear Energy Division, she is in charge of counter WMD proliferation. As former Assistant Director at the Arms Control and Disarmament Division, she contributed to developing Japan’s position on arms control and nonproliferation affairs, including the INF Treaty, New START, the future of arms control, and the 10th NPT Review Conference. She submitted a dissertation on the influences of China and Japan on the U.S. decisions during the INF Treaty negotiations, aiming to provide a different perspective from the traditional arguments centered on the United States, Russia and NATO views. She presented her research at a capstone conference of the CSIS Project on Nuclear Issues in 2022, and has publications in Nonproliferation Review and Bombshelltoe. She was an intern of the United Nations Office for Disarmament Affairs in 2013, a 2020-2022 fellow of the Japan-US partnership program at the Research Institute for Peace and Security, a 2021-2022 fellow of the Arms Control Negotiation Academy and a 2023 fellow of Next Generation of U.S.-Japan Nuclear Policy Experts at the Maureen and Mike Mansfield Foundation. Sayaka holds a Ph.D. in Law from Hitotsubashi University, a M.A. in Non-proliferation and Terrorism Studies from the Middlebury Institute of International Studies at Monterey and B.A. in Law at University of Tokyo. Sayaka joins the initiative of “Asia-Pacific Women in International Security” from her personal capacity, thereby not representing any organization nor institute that she belongs to.