Thomas Greminger

Thomas Greminger is a Swiss diplomat. He is the director of the Geneva Centre for Security Policy. From 2010 to 2015, Thomas served as the Permanent Representative of Switzerland to the Organization for Security and Co-operation in Europe (OSCE), the United Nations and the international organizations in Vienna. From 2017 to 2020, Thomas served as secretary-general for the OSCE. As secretary-general, he acted as an effective crisis manager in an increasingly polarized environment. Thomas holds a PhD in history from the University of Zurich. He is Lieutenant Colonel GS. Thomas has authored numerous publications on military history, conflict management, peacekeeping, development and human rights. His mother tongue is German; he is fluent in English and French and has a good working knowledge of Portuguese. Thomas was born in Lucerne in 1961 and has four daughters.


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