KUROSAKI, Masahiro

Masahiro KUROSAKI is Professor of International Law at the Tohoku University School of Law, Japan (since April 2026). He is also the Chair of the Study Group on International Law organized by the Operational Policy Division, Bureau of Defense Policy of the Ministry of Defense of Japan, has sometimes represented the Japanese government in diplomatic negotiations on international human rights and humanitarian law as a legal adviser, and has been involved in various councils and expert groups established by the government. Following 2008 when he joined the International Relations Faculty of the National Defense Academy (NDA) of Japan, he held lecturership (2008-2011), associate professorship (2011-2022) and professorship (2022-2026) at the NDA as well as visiting fellowships at Leiden Law School’s Grotius Centre for International Legal Studies and the United States Naval War College’s Stockton Center for International Law. He has published a range of articles and book chapters on the law of international security, the law of armed conflict, international criminal law, and Japanese security laws, which include: “Towards the Special Computer Law of Targeting: ‘Fully Autonomous’ Weapons Systems and the Proportionality Test,” in Claus Kreß and Robert Lawless (eds.), Necessity and Proportionality in International Peace and Security Law (Oxford University Press, 2020); Strengthening the U.S.-Japan Alliance: Pathways for Bridging Law and Policy (Columbia Law School, 2020)(co-edited with Nobuhisa Ishizuka and Matthew C. Waxman); “The Fight against Impunity for Core International Crimes: Reflections on the Contribution of Networked Experts to a Regime of Aggravated State Responsibility,” in Holly Cullen, Joanna Harrington, and Catherin Renshaw (eds.), Experts, Networks and International Law (Cambridge University Press, 2017).