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Global Power Shifts
Juliette Maresté is a former Program Assistant at GMF.
Elene Kintsurashvili is a Warsaw-based senior program coordinator on GMF’s Transatlantic Security team, focusing on research and convening activities. Her areas of expertise include NATO and EU engagement in the Eastern Partnership countries. She also follows the South Caucasus and Black Sea regions, Georgian domestic and foreign policies, and Russian hybrid warfare and its impact on European security and democratic resilience.
Kintsurashvili previously served as assistant to the deputy secretary-general of the Georgian parliament. Outside her professional work, she has been involved in civic initiatives advancing democracy and Georgian aspirations to integrate into the Euro-Atlantic community.
Kintsurashvili received her master’s degree in European interdisciplinary studies from the College of Europe, where she specialized in European neighborhood policy and the Eastern Partnership, and was awarded an honorary bachelor’s degree in international relations from Vistula University. She speaks fluent Georgian, Russian, and Polish.
Vicky Masson is the Paris-based senior manager for operations. She leads high-impact transformation initiatives and brings operational coherence to GMF's transatlantic presence.
Masson was previously chief of staff to GMF President Dr. Alexandra de Hoop Scheffer. She began her GMF career as an intern in the organization's Paris office before becoming a program operations manager. Before joining GMF, she was an intern at the Agence Française de Développement and contributed to a research project on the intervention of international stakeholders in countries in crisis, particularly in the Middle East and Africa.
Masson holds a master’s degree in international security from Sciences Po Paris, where she specialized in diplomacy and African studies.
Sophie Arts leads GMF’s research and programming on Arctic security and geopolitics, and on North American and Nordic defense against conventional and hybrid threats. As a Washington, DC-based fellow within the Transatlantic Security program, she also works on North American continental and US homeland defense, allied cooperation in NATO and other formats, and Russian and Chinese strategic objectives and activities in the Arctic and adjacent theaters.
Arts joined GMF’s security and defense policy team in 2017. Previously, she worked at the Atlantic Council, GMF Brussels, Spiegel Online International, and Kantar Media. Her prior research covered NATO’s partnerships and flexible formats, the impact of emerging technologies on allied defense and deterrence, the dynamics of escalation within the cyber domain, and strategic stability in a multipolar world.
Her writings and commentaries are featured regularly in defense publications and international media. She is a member of The European Centre of Excellence for Countering Hybrid Threats’ pool of experts. In 2025, she served as co-chair of the task force for global peace and security for the Think7, the official G7 group that brings together the world’s leading think tanks and research centers.
Arts holds a master’s degree from Humboldt University in Berlin and a bachelor’s degree from the University of Freiburg.
Gesine Weber is a former Fellow at GMF.
Özgür Ünlühisarcıklı is the managing director of GMF South and Wider Europe and the regional director for Türkiye. Prior to joining GMF, he was the manager of the Resource Development Department of the Educational Volunteers Foundation of Turkey. Previously, Ünlühisarcıklı served as director of the ARI Movement, a Turkish NGO promoting participatory democracy, and as a consultant at AB Consulting and Investment Services.
Ünlühisarcıklı is an expert on transatlantic relations and Turkish foreign policy, domestic politics, democratization, and civil society. He is quoted frequently in international media including The New York Times, The Economist, The Wall Street Journal, Bloomberg, Financial Times, Deutsche Welle, and the BBC.
After graduating from the Robert College (Istanbul), Ünlühisarcıklı received his bachelor's degree in business administration from Marmara University and his master's degree from Koç University. He speaks fluent English in addition to his native Turkish.