He is best known for the short film "Trafic" (Romanian for "traffic"), which won him the Short Film Palme d'Or at the 2004 Cannes Film Festival and for the debut feature "The Way I Spent the End of the World" (), which was screened at the 2006 festival. His latest film "Loverboy" premiered in the Un Certain Regard section at the 2011 Cannes Film Festival.