 He was also a United Nations Delegate (1947 – 1960).Sandler was Governor of Gävleborg County (1941 – 1952).He was chairman of several governmental inquiries, including the Socialization Committee (1920 – 1936), a commission appointed to audit the Swedish refugee policy during World War II, known as the Sandler Commission (1945 – 1947), and the Commission on the Constitution (1954 – 1963).