 Bundu's numerous positions include Assistant Director of International Affairs and Consultant in Constitutional Law in the Commonwealth Secretariat in London from 1975–82; Executive Secretary of Economic Community of West African States (ECOWAS) from 1989–1993, the posts of Foreign Minister (1994–1995), Minister of Agriculture 1982–85; and Presidential candidate in the 1996 Presidential election in Sierra Leone.Bundu failed to garner much support in the election, gaining just under 30,000 votes or 2.9% of the national vote.He is an expert on West African affairs and a renowned expert on constitutional and international law.