フランス共和国臨時政府
He was a member of the secretariat of the League of Nations from 1921 to 1931. He was Information Commissioner in the French Committee of National Liberation (CFLN), and the Provisional Government of the French Republic (GPRF), from 3 June to 9 September 1944. He was named, after the official recognition of GFRP by the United States, the representative of France in Washington.