Security + Geopolitics

Kristine Berzina is the Washington, DC-based managing director of GMF Geostrategy North. She is responsible for leading programming on US, Nordic, Baltic, and Arctic security and defense issues, and provides analysis on NATO and US and European foreign policy.

Berzina also leads GMF’s Across America initiative, which takes European officials into the US heartland to build regional connections on security issues. She is a frequent commentator in international media, including The New York Times, the BBC, CNN, NPR, France 24, Deutsche Welle, and The New Yorker. She is a co-host of Drošinātājs (The Fuse), a Ukraine-focused podcast and Latvian radio program.

Berzina previously worked on countering autocratic influence as head of GMF’s Alliance for Securing Democracy’s geopolitics team and, while based in Brussels and Berlin for the organization, on transatlantic security and energy issues. She holds a bachelor’s degree in political science and history from Yale University and a master’s degree in international relations from the University of Cambridge.

Martin Quencez is managing director of geopolitical risk and strategy. Over the past ten years, he has held several positions at GMF, including as deputy director of the Paris office and research fellow in the Security and Defense program. His work includes research on transatlantic security and defense cooperation, and US and French foreign policy, on which he regularly writes for international media. He is a co-author of GMF’s annual flagship Transatlantic Trends report. 

Quencez is also an associate researcher for the European Council on Foreign Relations, working in France for its European Powers program. He has taught transatlantic relations at the Euro-American campus of Sciences Po and, prior to joining GMF, worked for the Institute of Defense Studies and Analyses in New Delhi, focusing on French and Indian strategic thinking. 

Quencez studied international relations at the Uppsala University and is a graduate of Sciences Po. He is completing a PhD in contemporary history at Sorbonne Nouvelle University. 

Dario Cristiani is a resident senior fellow at the German Marshall Fund of the United States, based in Washington, D.C., working on Italian foreign policy, the Mediterranean, and global politics. A native of Naples, Italy, he has more than fifteen years of experience as a private political risk consultant, working on Mediterranean and emerging markets. He received his Ph.D. in Middle East and Mediterranean studies from King’s College London in 2015, and he got a BA and MA (with distinctions) from the University of Naples L’Orientale, where he also started his academic career as a teaching and e-learning assistant in political science and comparative politics. He has been the director of executive training in global risk analysis and crisis management and an adjunct professor in international affairs and conflict studies at Vesalius College in Brussels. He continues teaching as a guest lecturer in several institutions in Europe and the Maghreb (Koninklijke Militaire School, Istituto Alti Studi Difesa, Sit Tunis). He has lived in Tunisia, Turkey, Belgium, and the United Kingdom.

Kristina Kausch is deputy managing director and senior fellow, GMF South. She is also GMF’s representative in Madrid. Her research focuses on Europe’s relations with its neighborhood and broader geopolitical trends in the Middle East.

Prior to joining GMF, she held positions with the Carnegie Endowment for International Peace, the Spanish think tank FRIDE, the Bertelsmann Foundation, and the German development cooperation agency GIZ. She has provided articles and commentary to a range of outlets including The New York Times, the Financial Times, The Guardian, Politico, El País, Middle East Eye, Tagesspiegel, and Süddeutsche Zeitung. 

Ambassador Arun Singh has been affiliated with The German Marshall Fund of the United States (GMF) since completing his assignment as ambassador of India to the U.S. in 2016. Earlier he had served as ambassador to France from 2013-15, and to Israel from 2005-08.

Kadri Tastan is a nonresident senior fellow in GMF’s Brussels office. His research focuses on Türkiye, the EU, transatlantic relations, energy, climate, and trade. Prior to joining GMF, he was an expert on European affairs and environmental issues at the Union of Chambers and Commodity Exchanges of Türkiye (TOBB).

Tastan has also been an IPC Mercator fellow at the German Institute for International and Security Affairs (SWP) and an adjunct professor at TOBB University of Economics and Technology. He holds a PhD in economics from the University of Sorbonne Nouvelle - Paris and a master’s degree in international relations from Paris-Panthéon-Assas University.