Marco Overhaus is a senior researcher at the German Institute for International and Security Affairs/Stiftung Wissenschaft und Politik (SWP) in Berlin. His main focus is on transatlantic defense cooperation as well as on US security and defense policy in Europe, Asia and the Persian Gulf region. At SWP he initiated and led the Expert Group on Fundamental Trends in the US which took place from May 2020 to January 2021. From August 2015 to January 2016, he worked for the Policy Planning Staff and the North America Department in the German Foreign Office. Previously, Marco worked as a transatlantic fellow for the RAND Corporation in Washington DC as well as for the French Institute for International Affairs (IFRI) in Paris. Marco Overhaus studied Political Science/International Relations at the Universities of Potsdam, Germany, and California (UC San Diego). He received his Ph.D. in Political Science from the University of Trier (dissertation on German NATO-policy).