Special Envoy for the Eastern Partnership, Ministry of Foreign Affairs, Czech Republic

State Secretary, Ministry of Foreign and European Affairs, Slovak Republic

Assistant Secretary, the Bureau of Conflict and Stabilization Operations (CSO), Department of State, USA

Head, Centre for the Strategic Analysis, Chancellery of the Prime Minister, Poland

Minister of Foreign Affairs, Latvia

Minister of Defence, Montenegro

Political Director, Federal Foreign Office, Germany

Ambassador for the Eastern Partnership, Ministry for Foreign Affairs of Sweden

State Secretary, Prime Minister’s Office, Sweden

President of Lithuania (2009-2019)