- Chatham House (United Kingdom)
- Clingendael Institute of International Relations (The Netherlands)
- Carnegie Endowment for International Peace
- Japan Institute of International Affairs, (Japan)
- Lowy Institute for International Policy (Australia)
- Polish Institute of International Affairs (Poland)
- Friedrich Ebert Foundation (Germany)
- Friedrich Naumann Foundation (Germany)
- German Institute for International and Security Affairs of the Stiftung Wissenschaft und Politik (SWP) (Germany)
- Konrad Adenauer Foundation (Germany)
- Kiel Institute for the World Economy (Germany)