He was ordained on 11 March 1933 in Rome. He was incardinated in diocese of Piacenza. He served as an attaché at Vatican Secretariat of State from 1937 until 1938. He was created Privy chamberlain supernumerary on 1 September 1938. He was attached to the diplomatic corps serving as the secretary of the nunciature in Belgium from 1938 until 1939 and in the Netherlands from 1939 to 1940. He was promoted to the Auditor of the nunciature in Germany from 1940 until 1945 and served in the same position in the Netherlands from 1945 to 1948. After World War II he was a counselor of the nunciature in Germany from 1951 until 1953.