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.