Philosopher and sociologist. Doctor of the School of Higher Studies in Social Sciences (EHESS).
Writer. Author of fifty books (essays, novels, tales, encyclopedias), translated into twenty languages and sold to seven million copies worldwide, he also writes for the theater, television (documentaries) and comic.
He co-founded the Fondation SEVE, Savoir être et Vivre Ensemble (under the aegis of the Fondation de France) and he created the association Ensemble pour les Animaux.