 In 1932, Pierre Cot, a Radical Socialist politician, named Moulin his second in command or "chef adjoint" when he was serving as Foreign Minister under Paul Doumer's presidency.In 1933, Moulin was appointed "sous-préfet" of Thonon-les-Bains, parallel to his function of head of Cot's cabinet of in the Air Ministry under President Albert Lebrun.On 19 January 1934, Moulin was appointed "sous-préfet" of Montargis, but he did not assume the office and chose to remain under Cot.