[4] In 1992, after graduating in France, Sadoun went to Chile where he founded his own advertising agency Z Group, which he sold to BBDO in 1997.
His initial focus was on development, leading to the acquisition of key clients for the agency.
Sadoun officially took on this role on 1 June 2017, making him the 3rd leader of Publicis Groupe in its 91 years of existence after the founder Marcel Bleustein-Blanchet and Maurice Lévy.
Sadoun is married to the French journalist and television presenter Anne-Sophie Lapix.
[10] In 2016, Sadoun was named "Agency Executive of the Year" by AdAge[citation needed], and as "Personality of Year" during the 37th French Grand Prix des Agences de l'Année.