Stefano Lorenzi trained with national and international directors with whom he worked as assistant director and collaborator: Spike Lee, Abel Ferrara, Abbas Kiarostami, Mario Monicelli, Paolo Virzì, Giacomo Campiotti. He debuts in 2002 with Genova senza risposte, a documentary film on the events of the G8 in Genoa in 2001, distributed to the cinema by Gianluca Arcopinto's Pablo. In 2003 Nunca máis - The black tide, about the environmental disaster caused in Galicia by the Prestige oil tanker, received a special mention at the “Cinema Ambiente” festival in Turin. In 2007 he was co-writer of the television series I liceali, directed by Lucio Pellegrini and broadcast on the Mediaset networks. He also creates a series of documentaries as director and author for Rai. He collaborates on all editions of Italia: Journey into beauty as an author and director. In 2011 he wrote and directed the short film The Cricket, starring Birol Ünel and Edoardo Gabbriellini. The work is in competition, in the "Controcampo" section, at the 68th Venice International Film Festival. In 2012 he wrote and directed his first film, I calcianti, presented in 2015 at the 37th edition of the Moscow International Film Festival. Also in 2015 he received the award for best director at the “Bridge of Arts” International Arts Festival – IMFF. In 2020 he created and directed the Mediaset fiction L'ora, Inchiostro contro piombo, with Claudio Santamaria. In 2023 he wrote and directed the film Afrodite for Marco Belardi's Greenboo and Rai Cinema, with Giulia Michelini, Ambra Angiolini and Gaetano Bruno. He is currently developing the film Aditi, of which he will be director and co-writer together with Ugo Chiti and Matteo Ferri. He has just completed the animated short Spring Waltz as director and screenwriter.