Professor in Chest Medecine in CHU Pitié-Salpêtrière hospital in Paris (Assistance Publique-Hôpitaux de Paris) and upmc Paris Sorbonne university.
He is former president of Office Français de Prévention du Tabagisme (OFT), president of Paris sans Tabac (PST), Vice-president of Respadd (French hospital addiction network) and board member of French antitobacco alliance.
He had head 2 experts conference on tobacco control (peri-operative and psychiatric patient), 2 reports for French government on passive smoking and e-cigarette. He heads the French AFNOR commission on e-liquid and e-cigarette (French normative organisation). He has written 14 books on tobacco.