Işınsu Topcuoğlu was born in Ankara in 1968. After graduating from TED Ankara College, she completed her undergraduate studies in the Department of English Language and Literature at Hacettepe University in 1990.

She joined the Ministry of Foreign Affairs in 1993, serving initially at the Directorate General for Protocol. In the following years, she held various positions at the Directorate General for NATO and Euro-Atlantic Security and Defence Affairs; Maritime, Aviation and Border Affairs; Central European Affairs; the Directorate General for the Americas and the Directorate General for Information.

Most recently, she served as Head of Department at the Directorate General for Consular Affairs, Balkans and Central European Countries.

In the Ministry’s overseas missions, she served at the Embassies of Türkiye in Brussels, Sofia and London, as well as at the Consulates General of Türkiye in New York and London.

As of 1 October 2026, she has taken up her duties as Consul General of the Republic of Türkiye in Deventer.

Consul General Topcuoğlu is married and has one child.