A cinephile from the start, Mario Tommasini began working in Nancy as a ticket inspector, cashier and assistant in an independent cinema. In 1983, he joined Gaumont in Paris, before obtaining his first management position in Mulhouse in 1987. In 1996, he managed the two Amiens complexes, and in June 1998 was transferred to Toulouse to take charge of the new Labège multiplex and its 40 employees. In 2005, he moved to Normandy, first as manager of Gaumont Grand Quevilly (16 screens), Gaumont République downtown (7 screens) and Pathé Docks 76. In 2015, Mario Tommasini took over management of the Pathé Lingostière and Pathé Masséna cinemas in Nice. In 2018, he opened Pathé Gare du Sud, also in Nice.