UN Secretary-General appoints Mari Yamashita as Senior Representative for implementation of Security Council resolution 2792 (2025)

On 31 March, United Nations Secretary-General António Guterres announced the appointment of Mari Yamashita of Japan as his Senior Representative for the Implementation of Security Council resolution 2792 (2025).

Following the conclusion of the mandate of the United Nations Assistance Mission for Iraq (UNAMI) on 31 December 2025, Ms. Yamashita will, in her role as Senior Representative, support continued progress on the outstanding issue of Kuwaiti missing persons and property, including the national archives.

Ms. Yamashita brings to the position a broad range of experience with the United Nations, with a career spanning over 30 years in preventive diplomacy, peacebuilding and external relations, both at United Nations Headquarters and globally.

Prior to this appointment, she served as Officer-in-Charge of the United Nations Mission to Support the Hudaydah Agreement (UNMHA) in Yemen until the Mission’s closure on 31 March 2026. Before that, she was the Representative of the Secretary-General and Head of the United Nations Office in Belgrade (UNOB), Serbia