مؤتمر نزع السلاح
In March 2011, the Secretary-General of the United Nations announced the appointment of Tokayev as Under Secretary-General, Director-General of the United Nations Office at Geneva and Personal Representative of the United Nations Secretary-General to the Conference on Disarmament. He served as Secretary-General of the Conference on Disarmament. He was also the Designated Official for safety and security of U.N. personnel for Switzerland.