
Sean Monaghan is a visiting fellow in the Europe, Russia, and Eurasia Program at the Center for Strategic and International Studies, where he focuses on NATO, European security, and defense. His career as a civil servant in the UK Ministry of Defence has focused on international defense policy, including NATO, the European Union, and the United States. In recent years, his work as a policy analyst has seen him contribute to the United Kingdom's Integrated Review and lead multinational research projects.
Media Queries
- H. Andrew Schwartz
- Chief Communications Officer
- 202.775.3242
- aschwartz@csis.org
- Paige Montfort
- Assistant Director of Communications, External Relations
- 202.775.3173
- pmontfort@csis.org
In the News
Suomi hakee turvaa Atlantin toiselta rannalta
Sean Monaghan in Yleisradio Oy — November 19, 2023
Yle Uutiset 20.30
Sean Monaghan in Yleisradio Oy — November 19, 2023
What Allies Want: Delivering the U.S. National Defense Strategy's Ambition on Allies and Partners
Sean Monaghan in War on the Rocks — July 24, 2023
Yltävätkö Nato-maat viimein kahteen prosenttiin? Vilnan puolustusbudjettilupaus ”ei ollut niin uusi”
Sean Monaghan in Helsingin Sanomat — July 24, 2023
A Busy Week for NATO Leaders in Vilnius
Sean Monaghan in The Dispatch — July 13, 2023
John Stratford’s Drive: 7/12/23
Sean Monaghan in LBC News — July 12, 2023
Kodėl JAV delsia žadėti Ukrainai narystę NATO?
Sean Monaghan in Lithuanian National Radio and Television — July 9, 2023
Ukraine and expansion top NATO agenda as Biden tries to cement unity
Sean Monaghan in LA Times — July 9, 2023
All Sean Monaghan Content
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A New Vision to Deal with Familiar Threats in Northern Europe
Commentary by Sean Monaghan — October 27, 2023
Squaring the Triangle: Four Big Ideas from the Latest British Defense Review
Commentary by Sean Monaghan — August 1, 2023
What Happened at NATO's Vilnius Summit?
Critical Questions by Sean Monaghan Sissy Martinez Otto Svendsen Carlota García Encina and Mathieu Droin — July 14, 2023
“AUKUS Pillar Two”: Audio Brief with Sean Monaghan
Podcast Episode by Sean Monaghan — July 11, 2023

AUKUS Pillar Two: Advancing the Capabilities of the United States, United Kingdom, and Australia
Brief by John Christianson Sean Monaghan and Di Cooke — July 10, 2023
Report Launch: "Repel, Don't Expel": Strengthening NATO's Defense and Deterrence in the Baltic States
Event — July 6, 2023
"Repel, Don’t Expel"
Report by Mark F. Cancian and Sean Monaghan — July 6, 2023
What Will Happen at NATO’s Summit in Vilnius?
Critical Questions by Sean Monaghan Sissy Martinez and Otto Svendsen — June 30, 2023
Press Briefing: Previewing the NATO Summit in Vilnius
Event — June 29, 2023
Transforming European Defense: A New Focus on Integration
Podcast Episode by Max Bergmann Donatienne Ruy and Sean Monaghan — June 29, 2023
