Commentary.
My policy writing examines how the United States and its allies support partners at war, how military training and advising shape battlefield performance, and what drives public support for using force. Drawing on original research and fieldwork, I explore the implications for policymakers and practitioners.
Featured Analysis
Would Americans Go to War Against China?
Foreign Affairs · March 20, 2025 · With Paul Poast and Dan Reiter
Survey evidence on Americans’ willingness to use force against China and what partisan differences could mean for U.S. decisions in a crisis.
The Polish Experiment in Military Advising
Modern War Institute · October 14, 2024 · With Jahara Matisek and William Reno
Drawing on visits to training sites in Poland, we examine how military trainers adapt to Ukraine’s battlefield needs and how NATO forces learn from Ukrainians in return.
Why America Should Send Military Advisers to Ukraine
Foreign Affairs · September 22, 2023 · With Sam Rosenberg
We argue that deploying non-combat U.S. military advisers inside Ukraine would expand access to training, strengthen Ukraine’s armed forces, and improve the effectiveness of Western assistance.
Cited in congressional correspondence to Secretary of Defense Lloyd Austin, September 26, 2023.
Additional Writing
Lessons from Ukraine for Security Force Assistance
Lawfare · September 10, 2023
Ukraine’s Hidden Advantage: How European Trainers Have Transformed Kyiv’s Army and Changed the War
Foreign Affairs · May 11, 2023 · With Jahara Matisek
Security Assistance Worked in Ukraine
The Defense Post · March 14, 2022
Featured Analysis
Would Americans Go to War Against China?
Foreign Affairs · March 20, 2025 · With Paul Poast and Dan Reiter
Survey evidence on Americans’ willingness to use force against China and what partisan differences could mean for U.S. decisions in a crisis.
The Polish Experiment in Military Advising
Modern War Institute · October 14, 2024 · With Jahara Matisek and William Reno
Drawing on visits to training sites in Poland, we examine how military trainers adapt to Ukraine’s battlefield needs and how NATO forces learn from Ukrainians in return.
Why America Should Send Military Advisers to Ukraine
Foreign Affairs · September 22, 2023 · With Sam Rosenberg
We argue that deploying non-combat U.S. military advisers inside Ukraine would expand access to training, strengthen Ukraine’s armed forces, and improve the effectiveness of Western assistance.
Cited in congressional correspondence to Secretary of Defense Lloyd Austin, September 26, 2023.
Additional Writing
Lessons from Ukraine for Security Force Assistance
Lawfare · September 10, 2023
Ukraine’s Hidden Advantage: How European Trainers Have Transformed Kyiv’s Army and Changed the War
Foreign Affairs · May 11, 2023 · With Jahara Matisek
Security Assistance Worked in Ukraine
The Defense Post · March 14, 2022
Podcasts and media.
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I co-host the Irregular Warfare Podcast, bringing scholars and practitioners together in conversation about irregular warfare. I previously co-hosted Season 2 of The Social Science of War at West Point (2023–2024).
Selected Podcast Guest Appearances Ukraine’s Hidden Front: The Strategic Impact of Resistance Operations Irregular Warfare Podcast · March 14, 2025 A conversation about Ukrainian resistance, special operations, and their contribution to the wider war against Russia. Lessons from the Eastern Front: Security Force Assistance in Ukraine Irregular Warfare Podcast · May 17, 2024 Lessons from military assistance in Ukraine and Afghanistan for supporting partners in future conflicts. Selected Panels & Discussions War on Ukraine: The Counteroffensive and What’s Next Panel discussion · Columbia University & New York University · September 13, 2023 Ukraine: What Is to Come? Roundtable discussion · Northwestern University & the Irregular Warfare Initiative · November 17, 2022 |