Brianna Rosen
Senior Fellow
Dr. Brianna Rosen is Senior Fellow and Director of the Artificial Intelligence and Emerging Technologies (AIET) Initiative at Just Security. She is also a Senior Research Associate at the University of Oxford.
Previously, Brianna was Policy Engagement Manager at the Oxford Institute of Ethics, Law and Armed Conflict, as well as Strategy and Policy Fellow at the Blavatnik School of Government. Prior 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 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.
Areas of Expertise: Artificial Intelligence, Emerging Technologies, Asymmetric Warfare, Legal and Military Ethics.
Articles by this author:
The Just Security Podcast: Diving Deeper into DeepSeek
by Brianna Rosen, Lennart Heim, Keegan McBride, Lauren Wagner, Paras Shah and Clara Apt
Feb 4th, 2025
Unpacking the Biden Administration’s Executive Order on AI Infrastructure
by Clara Apt and Brianna Rosen
Jan 16th, 2025
Rethinking Responsible Use of Military AI: From Principles to Practice
by Brianna Rosen and Tess Bridgeman
Sep 26th, 2024
The Just Security Podcast: Strategic Risks of AI and Recapping the 2024 REAIM Summit
by Brianna Rosen, Paras Shah and Clara Apt
Sep 12th, 2024
Disclosing Secrets: Deterrence, Diplomacy, and Debate – Reflections on Remarks by DNI Avril Haines
Mar 1st, 2024
Key Questions in U.S. Cyber Attack on “Iranian Spy Ship”
by Brianna Rosen and Tess Bridgeman
Feb 15th, 2024
The Just Security Podcast: How Should the World Regulate Artificial Intelligence?
by Robert Trager, Brianna Rosen, Paras Shah and Clara Apt
Feb 2nd, 2024
Introducing the Symposium on AI Governance: Power, Justice, and the Limits of the Law
Oct 18th, 2023
Policy Alert: Key Questions in Hamas’ Attack on Israel and What Comes Next
by Brianna Rosen and Viola Gienger
Oct 9th, 2023
National Security Implications of Trump’s Indictment: A Damage Assessment
by Tess Bridgeman and Brianna Rosen
Jun 10th, 2023
Bad for the Goose, Bad for the Gander: Drone Attacks in Russia Underscore Broader Risks
Jun 8th, 2023
A Right to Spy? The Legality and Morality of Espionage
by Katherine Fang, Paras Shah and Brianna Rosen
Mar 15th, 2023
Al-Kurdi Capture Raises Thorny Detention Issues
by Tess Bridgeman, Luke Hartig and Brianna Rosen
Jun 17th, 2022
Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part II
by Laura Dickinson, Brianna Rosen and Rachel VanLandingham, Lt Col, USAF (Ret.)
Apr 28th, 2022
Introduction to Symposium: Still at War – Where and Why the United States is Fighting the “War on Terror”
by Tess Bridgeman and Brianna Rosen
Mar 24th, 2022
Ahead of the State of the Union: Analysis from Diplomats, Top Experts
by Brianna Rosen and Tess Graham
Feb 28th, 2022