Thomas Greminger

Ambassador Thomas Greminger served as Secretary General of the Organization for Security and Co-operation in Europe (OSCE) from July 2017 until July 2020. On May 1, 2021, he took over as Director of the Geneva Centre for Security Policy (GCSP). Previously, Ambassador Greminger served as Deputy Director General of the Swiss Agency for Development and Cooperation at the Federal Department of Foreign Affairs. From 2010 to 2015, he served as the Permanent Representative of Switzerland to the OSCE, the United Nations and the International Organizations in Vienna. He also served as Head of the Human Security Division of the Federal Department of Foreign Affairs, which is the Department’s main competence center for peace, human rights and humanitarian and migration policy. From 1994 to 1998, he served in different posts in the Swiss Agency for Development and Cooperation, including Head of the Policy and Research Unit.