Research/Areas of Interest:

International criminal law
International humanitarian law
International law on the use of force
Judging and judicial ethics
Just war theory
Peacemaking, peacekeeping, and transitional justice
Shared responsibility
Terrorism and counter-terrorism


  • PhD, Princeton University, USA
  • JD, Yale University, USA
  • BA, Stanford University, USA


Tom Dannenbaum is Associate Professor of International Law at the Fletcher School of Law & Diplomacy, where he is also Co-Director of the Center for International Law & Governance and Co-Director of the LLM Program. Prior to joining Fletcher, he taught at University College London and Yale Law School. Dannenbaum writes on the law of armed conflict, the law governing the use of force, international criminal law, human rights, shared responsibility, and international judging. His articles have appeared in a range of leading journals and have received multiple awards, including the American Society of International Law's (ASIL) International Legal Theory Scholarship Prize in 2022 for his work on siege starvation and ASIL's Lieber Prize in 2017 for his work on the crime of aggression. His writing on peacekeeping has been cited by the Hague Court of Appeal and the International Law Commission. Dannenbaum's book, The Crime of Aggression, Humanity, and the Soldier, was published by Cambridge University Press in 2018. In 2021, Dannenbaum was awarded the James L. Paddock Teaching Award. In 2022, he was awarded the Fletcher Faculty Research Award.
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Selected Publications

Dannenbaum, T. (2022). Siege Starvation: A War Crime of Societal Torture. Chicago Journal of International Law, 22(2), 368-442. Retrieved from

Dannenbaum, T. (2022). Criminalizing Starvation in an Age of Mass Deprivation in War: Intent, Method, Form, and Consequence. Vanderbilt Journal of Transnational Law, 55, 681-755. Retrieved from

Dannenbaum, T. (2021). Aggression and Atrocity—The Interstate Element, Politics, and Individual Responsibility. In S. Bock, & E. Conze (Eds.), Rethinking the Crime of Aggression International and Interdisciplinary Perspectives (pp. 225-251). T.M.C. Asser Press. doi:10.1007/978-94-6265-467-9_12

Dannenbaum, T. (2022). A Special Tribunal for the Crime of Aggression?. Journal of International Criminal Justice, 20(4), 859-873. doi:10.1093/jicj/mqac047

Dannenbaum, T. (2017). Why have we criminalized aggressive war?. Yale Law Journal, 126(5), 1242-1318.

Dannenbaum, T. (2015). Dual attribution in the context of military operations. International Organizations Law Review, 12(2), 401-426. doi:10.1163/15723747-01202007

Dannenbaum, T. (2015). Public power and preventive responsibility: Attributing the wrongs of international joint ventures. In Distribution of Responsibilities in International Law (pp. 192-226). doi:10.1017/CBO9781316227466.008

Dannenbaum, T. (2012). Killings at srebrenica, effective control, and the power to prevent unlawful conduct. International and Comparative Law Quarterly, 61(3), 713-728. doi:10.1017/S002058931200022X

Dannenbaum, T. (2010). Translating the standard of effective control into a system of effective accountability: How liability should be apportioned for violations of human rights by member state troop contingents serving as United Nations peacekeepers. Harvard International Law Journal, 51(1), 113-192.

Dannenbaum, T. (2011). Bombs, ballots, and coercion: The madrid bombings, electoral politics, and terrorist strategy. Security Studies, 20(3), 303-349. doi:10.1080/09636412.2011.599199