Moeletsi Mbeki is a South African political economist and the deputy chairman of the South African Institute of International Affairs, an independent think tank based at the University of the Witwatersrand, and is a political analyst for Nedcor Bank. He is a member of the executive council of the International Institute for Strategic Studies (IISS) which is based in London. He is the younger brother of former President Thabo Mbeki and son of ANC leader Govan Mbeki. He has been a frequent critic of President Mbeki.