Graduated Ecole des Sciences Politiques, Paris.
Secretary, Brazilian legation, Buenos Aires, 1920-1923, Washington, 1923-1926, Caracas, 1931, Berne, 1931-34, Geneva, 1935. Secretary, Brazilian delegation to Disarmament Conference, 1932. Brazilian delegate, committee on Leticia, League of Nations, 1934, observer, committee on Chaco, 1934.
Representative, administrative council, International Labor Organisation, 1934. Tech, consultant, Brazilian delegation, International Labor Conference, 1935. 1st secretary, Vienna, 1935-1936, Lisbon, 1939-1942, Madrid, 1942-1943.
Acting chief, sect, on internat, boundaries and procedure, ministry of foreign affairs, Rio de Janeiro, 1936-1938. Representative of ministry to national geographic council, 1937, and board of directors of Brazilian Red Cross, 1938. Secretary general, Brazilian delegation, Pan American Conference, Lima, 1938.
Consul general, Barcelona, 1944-1946. Chief of polit, division, polit, and cultural department, of ministry, 1946, member war reparations commission, 1946.