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.
2011年3月，联合国秘书长宣布任命托卡耶夫为联合国日内瓦办事处总干事、联合国副秘书长、联合国秘书长在裁军谈判会议个人代表，兼任裁军谈判会议秘书长。