Sissy Martinez

Program Manager and Research Associate, Europe, Russia, and Eurasia Program
Sissy Martinez

Sissy Martinez is a program manager and research associate for the Europe, Russia, and Eurasia Program at the Center for Strategic and International Studies (CSIS). Prior to joining CSIS, Martinez was a Joseph S. Nye Jr. national security intern for the Transatlantic Security Program at the Center for a New American Security (CNAS). She has prior work experience at the Institute for Economics and Peace in Brussels, on Capitol Hill, and on the campaign finance team for former congressman Antonio Delgado, who is now lieutenant governor of New York State. Martinez holds an MS in terrorism and homeland security policy and a BA in political science and justice and law from the School of Public Affairs at American University.

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Transatlantic Defense during Wartime

Transatlantic defense is at a key juncture as Russia's war in Ukraine has brought greater unity but also thrown into relief the challenges of producing military capability. The European Union and NATO have an opportunity to build on their strengths to address this crisis.

Report by Cynthia Cook Max Bergmann Mark F. Cancian Gregory Sanders Sissy Martinez Otto Svendsen and Nicholas Velazquez — September 5, 2023

What Happened at NATO's Vilnius Summit?

While Ukraine’s bid for NATO membership captured most of the headlines of this year's NATO summit in Vilnius, the alliance took a range of decisions to strengthen deterrence, adapt for the future, and deepen global partnerships.

Critical Questions by Sean Monaghan Sissy Martinez Otto Svendsen Carlota García Encina and Mathieu Droin — July 14, 2023

What Will Happen at NATO’s Summit in Vilnius?

The NATO leaders’ summit in Vilnius arrives at a critical time as the war in Ukraine enters a critical phase and instability grows in Moscow—but what’s on the agenda for NATO in Vilnius?

Critical Questions by Sean Monaghan Sissy Martinez and Otto Svendsen — June 30, 2023

The European Union’s Enlargement Conundrum

Membership in the European Union is critical for Ukraine’s reconstruction and future prosperity. But Ukraine’s accession will require deep reforms in Kyiv, visionary leadership from EU leaders to reform the bloc, and an active diplomatic push from Washington.

Report by Max Bergmann Otto Svendsen and Sissy Martinez — May 25, 2023

Does the New EU-NATO Joint Declaration Matter?

This week the leaders of NATO and the European Union signed their third joint declaration. What is it and why is it significant?

Critical Questions by Sean Monaghan Colin Wall Otto Svendsen and Sissy Martinez — January 13, 2023

The European Political Community: A Successful Test?

On October 6, 44 European leaders gathered in a new format called the European Political Community (EPC). The EPC was introduced as a platform for political coordination between Europeans on issues such as security and energy. What are the takeaways of this first meeting?

Critical Questions by Sissy Martinez and Mathieu Droin — October 11, 2022