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Brianna Rosen

Visiting Fellow of Practice

Brianna Rosen is a Visiting Fellow of Practice with our Programme on International Peace and Security, where she also previously served as Policy Engagement Manager from 2020 to 2021. She is also a Senior Fellow at Just Security.

Previously, Brianna was a career civil servant with a decade of experience working on US national security and Middle East policy issues. During the Obama administration, she was assigned to the White House National Security Council and Office of the Vice President. Prior to government service, Brianna worked at several leading research institutes, including the Woodrow Wilson International Center for Scholars and the Middle East Institute, in Washington, DC.

Brianna obtained her DPhil (PhD) in Public Policy in 2022 at the University of Oxford, where she was a Clarendon Scholar. She received a Master of Public Policy with Distinction from Oxford, where she studied as a Public Service Scholar. She holds an MA in Political Science and Mathematics, summa cum laude, as well as a BA, from the University of Connecticut.


Rosen, ‘Ending Perpetual War‘, Just Security, 25 October 2022.

Rosen, ‘Walking Iran Back from the Nuclear Brink‘, Just Security, 24 June 2022.

Bridgeman, Hartig and Rosen, ‘Al-Kurdi Capture Raises Thorny Detention Issues‘, Just Security, 17 June 2022.

Bridgeman and Rosen, ‘Still at War: The United States in Syria‘, Just Security, 29 April 2022.

Dickinson, Rosen and Van Landingham, ‘Congressional Action on Civilian Harm Resulting from U.S. Military Operations: Part II‘, Just Security, 28 April 2022.

Bridgeman and Rosen, ‘Introduction to Symposium: Still at War – Where and Why the United States is Fighting the “War on Terror”‘, Just Security, 24 March 2022.

Rosen, ‘A Simulated President’s Daily Brief on Putin and Ukraine‘, Just Security, 2 March 2022.

Rosen and Graham, ‘Ahead of the State of the Union: Analysis from Diplomats, Top Experts‘, Just Security, 28 February 2022.

Gienger, Graham, Rosen and Whatcott, ‘Holding Putin and Russia Accountable: A List of Legal and Policy Options‘, Just Security, 25 February 2022.

Rosen, ‘Tragic Mistakes: Breaking the Military Culture of Impunity‘, Just Security, 23 November 2021.

Rosen, Hartig, Bridgeman, and Goodman, ‘Questions on the Baghuz Strikes‘, Just Security, 15 November 2021.

Rosen, ‘The Longest War is Over the Horizon‘, Just Security, 1 November 2021.

Rosen, ‘To End the Forever Wars, Rein in the Drones‘, Just Security, 16 February 2021.