 After graduation, he chose a diplomatic career.He was named General consul of France at San Francisco in 1941, then was attached to the governor-General of French Indochina, admiral Jean Decoux, to manage relationships between Indochina and the Pacific countries.He was a member of the Conciliation Commission for Palestine in 1949 and in charge of American affairs in 1951, before he was promoted to the post of Ambassador of France in Czechoslovakia from 1953 to 1959.