Prior to his election to the assembly, Mamelonet served as mayor of Percé. He studied at École de la Marine nationale in Marseille, France, as a steam and diesel mechanic before moving in the Gaspésie region in 1978 and worked as a businessman and restaurateur until starting his political career. Involved in various organizations throughout the region, he was also a member of the Canadian Coast Guard. He died in a car accident on 11 March 2015.[1]