Brianna Rosen

Senior Fellow

Dr. Brianna Rosen (@rosen_br) is a Senior Fellow at Just Security. She is also a Strategy and Policy Fellow at the University of Oxford and Research Affiliate of the Machine Intelligence and Normative Theory Lab at the Australian National University.

Previously, Brianna was the Policy Engagement Manager and a Visiting Fellow of Practice at the Oxford Institute of Ethics, Law and Armed Conflict. Prior to coming to Oxford, she 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 also 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.

Areas of ExpertiseJust War Theory, Legal and Military Ethics, Asymmetric Warfare, Emerging Technology

Articles by this author:

Disclosing Secrets: Deterrence, Diplomacy, and Debate – Reflections on Remarks by DNI Avril Haines

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Mar 1st, 2024

Key Questions in U.S. Cyber Attack on “Iranian Spy Ship”

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Feb 15th, 2024

The Just Security Podcast: How Should the World Regulate Artificial Intelligence?

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Feb 2nd, 2024

Unhuman Killings: AI and Civilian Harm in Gaza

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Dec 15th, 2023

Introducing the Symposium on AI Governance: Power, Justice, and the Limits of the Law

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Oct 18th, 2023

Policy Alert: Key Questions in Hamas’ Attack on Israel and What Comes Next

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Oct 9th, 2023

AI and the Future of Drone Warfare: Risks and Recommendations

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Oct 3rd, 2023

Introduction to Symposium: Ending Perpetual War

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Sep 11th, 2023

National Security Implications of Trump’s Indictment: A Damage Assessment

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Jun 10th, 2023

Bad for the Goose, Bad for the Gander: Drone Attacks in Russia Underscore Broader Risks

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Jun 8th, 2023

Death by Drones: Does the Pentagon Always Know Who it is Killing?

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May 22nd, 2023

The Teixeira Disclosures and Systemic Problems in the U.S. Intelligence Community

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Apr 14th, 2023

Policy Alert: Iran-U.S. Hostilities Ratcheting Up in Syria

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Mar 24th, 2023

A Right to Spy? The Legality and Morality of Espionage

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Mar 15th, 2023

Ending Perpetual War

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Oct 25th, 2022

Walking Iran Back from the Nuclear Brink

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Jun 24th, 2022

Al-Kurdi Capture Raises Thorny Detention Issues

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Jun 17th, 2022

Still at War: The United States in Syria

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Apr 29th, 2022

Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part II

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Apr 28th, 2022

Introduction to Symposium: Still at War – Where and Why the United States is Fighting the “War on Terror”

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Mar 24th, 2022

Змодельований щоденний звіт президента про Путіна та Україну

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Mar 2nd, 2022

A Simulated President’s Daily Brief on Putin and Ukraine

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Mar 2nd, 2022

Ahead of the State of the Union: Analysis from Diplomats, Top Experts

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Feb 28th, 2022

Holding Putin and Russia Accountable: A List of Legal and Policy Options

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Feb 25th, 2022

Tragic Mistakes: Breaking the Military Culture of Impunity

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Nov 23rd, 2021

Questions on the Baghuz Strikes

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Nov 15th, 2021

The Longest War is Over the Horizon

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Nov 1st, 2021

To End the Forever Wars, Rein in the Drones

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Feb 16th, 2021