The International Telecommunication Union (ITU) is a specialized agency of the United Nations responsible for many matters related to information and communication technologies. It was established on 17 May 1865 as the International Telegraph Union, significantly predating the UN and making it the oldest UN agency. Doreen Bogdan-Martin is the Secretary-General of ITU, the first woman to serve as its head.

Doreen Bogdan-Martin is an international civil servant and current Secretary-General of the International Telecommunication Union. She was elected at the 2022 ITU Plenipotentiary Conference in Bucharest, and as the first woman in the 157-year history of the ITU to become the Secretary-General. Previously, she was the first woman to become an Elected Official of the ITU, as the Director of the Telecommunication Development Bureau of the ITU.