After initial training in foot reflexology, three years of study at the Jean-Périmony School of Dramatic Art and a very short career as an actor, Cyril Dion became project coordinator for the Hommes de Parole Foundation in 2003. He participated in the organisation of the Israeli-Palestinian Congress in Caux in 2003 and then, in 2005 and 2006, of the 1st and 2nd World Congresses of Imams and Rabbis for Peace in Brussels and Seville.