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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.

October 14, 2021

Circle of Ideas

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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.