Ambassador Hatun Demirer

Since March 2025, Ambassador Hatun Demirer holds the position of Director of the Office of the Secretary General of the Organization for Security and Co-operation in Europe (OSCE) Secretariat in Vienna.

Ambassador Demirer is a career diplomat from the Ministry of Foreign Affairs of the Republic of Türkiye. She started her diplomatic career in 1990 and served in various directorates and departments of the Ministry. She also served in Turkish Missions (Embassies in Denmark, Romania and Lebanon, Consulate Generals in Brussels/Belgium and New York/USA and Permanent Representation to the Council of Europe in Strasbourg/France) with different diplomatic/consular ranks. 

From October 2013 to December 2017, she served as Ambassador of the Republic of Türkiye to the Kingdom of Bahrain. 

Prior to joining the OSCE Secretariat, she served as Ambassador/Permanent Representative of Türkiye to the Organization of Security and Co-operation in Europe.