Barthélemy started his career on stage in theater. In 2004, he wrote the film RRRrrrr!!!, directed by Alain Chabat. In 2012, he directed Pas très normales activités. The film received Jury Prize at the L'Alpe d'Huez Film Festival. He authored his debut book J'ai passé ma vie à chercher l'ouvre-boîtes, in 2001.

In 2021, he released his second book Fort comme un hypersensible.

Source: Article "Maurice Barthélemy" from Wikipedia in English, licensed under CC-BY-SA 3.0.