Grégory Levasseur is a writer , producer , dialogue writer , artistic director and director of second French team , born in 1979 in Douarnenez in Finistère . He often collaborates with his childhood friend Alexandre Aja .

Gregory Levasseur, who is inseparable, often devotes himself to directing and Alexandre Aja to directing since his first short film Over the Rainbow in 1997 , presented in official competition at the Cannes Film Festival and nominated for the Palme d'Or short film , and Award for Best Short Film at Molodist International Film Festival .