Niklas Ebert is a program manager with GMF’s Transatlantic Security program. Based in Berlin, he works mainly on issues of deterrence and resilience as well as German security and defense policy.

Prior to joining GMF, Ebert worked as a research assistant at the International Institute for Strategic Studies’ Defence and Military Analysis Programme in Berlin. Previously, he worked for the German Federal Foreign Office focusing on nuclear disarmament and non-proliferation. He gained additional experience at PricewaterhouseCoopers and the German Council on Foreign Relations.

Ebert received a bachelor’s degree in liberal arts and sciences from Maastricht University and holds a master’s degree in war and conflict studies from the University of Potsdam.

Julia Tréhu is a Paris-based program manager and fellow with GMF Technology. Her focus is on US and European digital and technology policy, including technology-related trade and investment policy, platform regulation, data governance, and artificial intelligence. Tréhu holds master’s degrees in international political economy from the London School of Economics and in international security from Sciences Po Paris, and a bachelor’s degree in history from Princeton University.

James Bindenagel is a U.S. Ambassador (ret.), whose 30-year Foreign Service career included assignments in West, East, and united Germany. He is currently a Senior Professor at the Center for Advanced Security, Strategy, and Integration Studies at Bonn University.

Sophie Arts is a Washington, DC-based fellow with GMF’s Transatlantic Security team. She leads the team’s research on Nordic and Arctic security and geopolitics, covering North American homeland defense against conventional and hybrid threats, and cooperation with allies and partners. She also focuses on Russian and Chinese activities in the Arctic region. 

Arts serves as co-chair on the task force for global peace and security for the Think7 (T7), the official G7 group that brings together the world’s leading think tanks and research centers. Her writing and commentary are featured regularly in international media. 

In 2017, Arts joined GMF's security and defense policy team, focusing on transatlantic security within and outside NATO. Her prior research covered the alliance’s partnerships and flexible formats, the impact of emerging technologies on NATO defense and deterrence, the dynamics of escalation within the cyber domain, and strategic stability in a multipolar world.

Arts previously worked at the Atlantic Council, GMF’s Brussels office, Spiegel Online International, and Kantar Media. Originally from Germany, she holds a master’s degree from Humboldt University in Berlin and a bachelor’s degree from the University of Freiburg. She completed coursework at Connecticut College and the University of Virginia, where she also worked as a research assistant in the media studies department and in the university’s Center for Politics, supporting Larry J. Sabato's work on "The Kennedy Half-Century".