Ambassador Thomas Greminger has been the Director of the Geneva Center for Security Policy (GCSP) since May 2021. Prior to this, he served as Secretary General of the Organization for Security and Co-operation in Europe (OSCE) from 2017 to 2020. Throughout his diplomatic career, he held various positions within Switzerland’s Federal Department of Foreign Affairs, both in Bern and abroad. Greminger holds a PhD in history from the University of Zurich and is a Lieutenant Colonel GS, with numerous publications on military history, conflict management, peacekeeping, and human rights.