UNCTAD is a permanent intergovernmental body of the UN that deals with trade, investment, and development. It has headquarters in Geneva and offices in New York and Addis Ababa. UNCTAD functions as a forum for government deliberations, undertakes research and policy analysis, and provides technical assistance to developing countries. Its main activities include work on trade and commodities, investment, macroeconomic policies, transport, and special programs to support least developed countries. It is organized with a Conference, Trade and Development Board, Commissions on key issues, expert meetings, and a Secretariat led by a Secretary-General.