Ukraine will not Surrender to Russia, Foreign Affairs, 2025 (with Marnie Howlett and Carl Müller-Crepon)

There is only one Morally, Legally and Strategically Defensible Choice: An Arms Embargo, Interview on Verfassungblog (deutsch), 2024

What International Law Can't Achieve in Gaza and Ukraine, TIME, 2024

No Peace for the Dead: Legal Questions about Israel's destruction of cemeteries in Gaza, EJIL Talk!, 2024

Top Legal Experts Views on International Court of Justice Ruling on Israel Gaza Operations (South Africa v. Israel genocide Convention Case), Just Security, 2024

Top Legal Experts on Why Aid to Gaza Can't Be Conditioned on Hostage Release, in response to remarks by US Official (one of six expert comments), Just Security, 2023.

Law and Survival in Israel and Palestine, Just Security, 2023

Our Shared Horror, EJIL:Talk!, 2023

What is the Role of International Law in Preventing the Use of Nuclear Weapons, Specifically by Russia against Ukraine? Perry World House, 2023

Ukrainians are not Willing to Give up Territory , The Conversation, 2022 (with Marnie Howlett and Carl Müller-Crepon)

The Moral Muddle of Blaming the West for Russia's Aggression, Public Ethics, 2022

General Comment 36: A Missed Opportunity? Just Security, 2019

The DoD Law of War Manual and the False Appeal of Differentiating Types of Civilians, Just Security, 2016

Assessing Proportionality: An Unreasonable Demand on the Reasonable Military Commander? Intercross, EJIL Talk! and Lawfare, 2016

Five Don'ts for Introducing a Female Speaker, The Duck of Minerva, reposted on The Times Higher Education, 2016

Proportionate Collateral Damage and Why We Should Care What Civilians Think, Just Security, 2015

Israel's Use of Law and Warnings in Gaza, Opinio Juris, 2014

Explainer: What is Nuclear Deterrence? (4 June 2025)

Just Security Podcast: Peace Diplomacy and the Russo-Ukraine War (14 May 2025)

JIB/JAB - The Laws of War Podcast: IHL and the IDF's Conduct of Hostilities in Gaza (15 August 2024)

Asymmetrical Haircuts - Your International Justice Podcast: Laws of war 101 (21 June 2024)

American Society of International Law, Panel at the Annual Meeting: The Conflict in Gaza (5 April 2024)

JIB/JAB - The Laws of War Podcast: Panel on the legal issues raised in the Gaza conflict of May 2021 (11 June 2021)

Western Way of War Podcast: Using the laws of war to assert legitimacy (March 2021)

Podcast for The Oxford Programme on the Changing Character of War: The partial effectiveness of international law in war (2013)

Podiumsdiskussion bei der Heinrich Böll Stiftung: Die Zukunft des Völkerrechts - Anker in einer bröckelnden Weltordnung?

4 Juni 2025

My Inaugural Lecture as Dame Louise Richardson Chair in Global Security at the University of Oxford

26 November 2024

The Final Conference of the Research Network on Rethinking Nuclear Deterrence can be watched here. Presentation of our findings on "Law and Ethics of Nuclear Deterrence" starts at 46 min

The American Society of International Law (ASIL), Panel at the Annual Meeting: "The War in Gaza," with Ardi Imseis, Eliav Lieblich, and Vivian Salama

4 April 2024

"Algorithms of War: The Use of AI in Armed Conflict," panel co-sponsored by the Oxford Institute for Ethics, Law and Armed Conflict (ELAC) and the Carnegie Council for Ethics and International Affairs, with Joel Rosenthal, Brianna Rosen, Ciaran Martin and Tom Simpson

8 April 2024

"Implications of the International Court of Justice’s Provisional Measures in Genocide in South Africa v. Israel", panel co-sponsored by the Bonavero Institute and the Hertie School of Government, with Ruvi Ziegler, Victor Kattan, and Cathryn Costello

27 February 2024

"The Laws of Armed Conflict, Ethics, and the Israel-Hamas War," briefing at the Council on Foreign Relations with John Bellinger and Geoff Corn

19 December 2023

"International Legal Perspectives on the Israel/Hamas War",  Webinar organized by the American Journal of International Law with Ingrid Brunk, Adil Haque, Alejandro Chehtnam, Steven R. Ratner

20 October 2023