He is the twin brother of Nicola Sirkis, the leader of the band Indochine. Stephane is the piano keyboardist and after guitarist of the band. Stéphane is a Music composer, he composed with his brother Christophe. Music for documentaries and commercials. But also of music of movies and music programs, interested in the broadcasting. He is so a co-presenter of the broadcast 4 c+ with Laurent Chabat. He has a daugter : Lou.