The secretary-general appoints the other principal officials of the Secretariat, but he or she must be sensitive to the desires of the dominant powers in making these appointments and also must pay attention to the geographic and, increasingly. to the gender composition of the Secretariat staff. Controversies have occasionally arisen over these distributions, but in recent years the focus of criticism has been the size and efficiency of the staffs of the UN headquarters in New York and its regional offices (Geneva, Nairobi. and Vienna) In this way, the UN is like many other IGOs and, in deed, national governments, with allegedly bloated, inefficient, and unresponsive bureaucracies that have made them a lightning rod for discontent with government.