M.Law and Economics, U. Belgrade, 1923. Doctor of Laws, University Geneva, 1931.
Attache Yugoslav Foreign Office, 1923. Yugoslav Legation, Berne, 1926-1928. Member Yugoslav delegations to confs. and meetings of League Nations, 1924-1939, delegate Yugoslavia and rapporteur, Opium Commission, 1937-1938, head Yugoslav delegation to council and general assembly, 1939.
Head League of Nations Department in Belgrade Foreign Offl., 1935-1937. Member Yugoslav delegation to political council of Little Entente and Balkan Entente, 1935-1940. Assistant political director Belgrade Foreign Office, 1938-1941.
Representative Yugoslav government in Cairo, 1941. Yugoslav consul-general in Union of South Africa, 1941-1942. Councillor Yugoslav legation in Ottawa, Canada, 1942.
Chief Yugoslav Information Service, New York City, 1943. Under-secretary of state for foreign affairs, Yugoslav Government-in-exile, London, 1944. Minister plenipotentiary, representative Yugoslav Government, in Middle East and Italy, on mission to Marshal Tito, 1944.
Under-secretary of state for foreign affairs Government of Marshal Tito, Belgrade, 1945. Head Yugoslav delegation to conference of international Court Justice, Washington, alternate delegate and member coordination committee United Nations Conference in San Francisco, 1945. Head Yugoslav delegation to preparatory committee Chairman commission on hearings and vice chairman interim. committee United Nations Conference in London, 1945.
Chairman United Nations Committee on Site, which selected New York area for temporary and permanent headquarters of United Nations, 1946. Delegate of Yugoslavia to general assembly United Nations since 1946.