Dr Brianna Rosen is a Visiting Fellow of Practice with ELAC. She is also Executive Director of the Oxford Programme for Cyber and Technology Policy at the Blavatnik School of Government, and a Senior Research Associate at the University of Oxford.

Previously, Brianna was a US civil servant with a decade of experience working on national security issues, including at the White House National Security Council and Office of the Vice President. She has held positions at the Woodrow Wilson International Center for Scholars, the Middle East Institute, and other leading research institutes in Washington, DC.

Brianna received a doctorate in Public Policy from the University of Oxford, where she was a Clarendon Scholar. She holds a Master of Public Policy (with Distinction) from Oxford, where she studied as a Public Service Scholar, an MA in Political Science and Mathematics, and a BA in International Relations.

Brianna is on LinkedIn, X, and Bluesky. Read more: www.drbriannarosen.com.

Areas of Expertise: Artificial Intelligence, Emerging Technologies and National Security, Global Security, Legal and Military Ethics.

Publications

Books

• Perpetual War and International Law: Legacies of the War on Terror, ed. Brianna Rosen (Oxford University Press, forthcoming 2025).

Public Writing

• “Shaping the AI Action Plan: Responses to the White House’s Request for Information,” with Clara Apt, Just Security, 18 March 2025
• “Unpacking the Biden Administration’s Executive Order on AI Infrastructure,” with Clara Apt, Just Security, 16 January 2025
• “The AI Presidency: What America First Means for Global AI Governance,” Just Security, 16 December 2024
• “The U.S. National Security Memorandum on AI,” Just Security, 25 October 2024
• “Threats and Response Options in the Escalating Israel-Iran Conflict,” Just Security, 2 October 2024
• “From Principles to Action: Charting a Path for Military AI Governance,” Carnegie Council for Ethics in International Affairs, 12 September 2024
• “How to Make Military AI Governance More Robust,” War on the Rocks, 6 August 2024
• “The Aftermath of the Haniyeh Killing: How to Avoid a New Middle East War,” Just Security, 31 July 2024
• “Disclosing Secrets: Deterrence, Diplomacy, and Debate – Reflection on Remarks by DNI Avril Haines,” Just Security, 1 March 2024
• “Key Questions in U.S. Cyber Attacks on “Iranian Spy Ship,” Just Security, 15 February 2024
• “Unhuman Killings: AI and Civilian Harm in Gaza,” Just Security, 15 December 2023
• “Symposium on AI Governance: Power, Justice, and the Limits of the Law,” Just Security, 18 October 2023
• “Key Questions in Hamas’ Attack on Israel and What Comes Next,” with Viola Gienger, Just Security, 9 October 2023
• “AI and the Future of Warfare: Risks and Recommendations,” Just Security, 3 October 2023
• “Symposium on Ending Perpetual War, Just Security, 11 September 2023
• “The National Security Fallout from the Trump Documents Case is Still Happening,” with Tess Bridgeman, Slate, 12 June 2023
• “National Security Implications of Trump’s Indictment: A Damage Assessment,” with Tess Bridgeman, Just Security, 10 June 2023
• “Bad for the Goose, Bad for the Gander: Drone Attacks in Russia Underscore Broader Risks,” Just Security, 8 June 2023
• “Death by Drones: Does the Pentagon Always Know Who it is Killing?,” Just Security, 22 May 2023
• “The Teixeira Disclosures and Systemic Problems in the U.S. Intelligence Community,” Just Security, 14 April 2023
• “Iran-U.S. Hostilities Ratcheting Up in Syria,” Just Security, 24 March 2023
• “A Right to Spy? The Legality and Morality of Espionage,” with Katherine Fang and Paras Shah, Just Security, 15 March 2023
• “Ending Perpetual War,”Just Security, 25 October 2022
• “Walking Iran Back from the Nuclear Brink,” Just Security, 24 June 2022
• “Al-Kurdi Capture Raises Thorny Detention Issues,” with Tess Bridgeman and Luke Hartig, Just Security, 17 June 2022
• “Still at War: The United States in Syria,” with Tess Bridgeman, Just Security, 29 April 2022
• “Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part II,” with Laura Dickinson and Rachel VanLandingham, Just Security, 28 April 2022
• “Symposium: Still at War – Where and Why the United States is Fighting the ‘War on Terror’,” Just Security, 24 March 2022
• “A Simulated President’s Daily Brief on Putin and Ukraine,”Just Security, 2 March 2022
• “Ways to Hold Putin Accountable Without Starting World War III,” with Viola Gienger, Tess Graham, and Elizabeth Whatcott, Slate, 25 February 2022
• “Tragic Mistakes: Breaking the Military Culture of Impunity,”Just Security, 23 November 2021
• “Questions on the Baghuz Strikes,” with Luke Hartig, Tess Bridgeman, and Ryan Goodman, Just Security, 15 November 2021
• “The Longest War is Over the Horizon,” Just Security, 1 November 2021
• “To End the Forever Wars, Rein in the Drones,” Just Security, 16 February 2021
• “Briefing Book: Iran’s Sanctions,” with Charlie Szrom and Maseh Zarif, Foreign Policy, 10 November 2009