Rouleau joined "The Egyptian Gazette" in 1943. His communist convictions led to his being harassed by the police and he went into exile in 1951. He joined the Agence France-Presse, and in 1955 "Le Monde", for which he covered the Iranian Revolution. He also contributed pieces to "Le Monde diplomatique". Egyptian President Gamal Abdel Nasser gave him an interview in 1963 in which he announced the gradual release of communist prisoners.