He is a doctor and a journalist; he is the president of Zadig. He has been working in the field of medical-scientific information for forty years. He is the editor of the web journals Scienzainrete, Partecipasalute, Janus. He is a member of the Cochrane Italia steering committee and chair of the Ethic Committee in the National Institute of Tumours in Milan. He has a column on health issues in the magazines L'Espresso and Corriere della Sera / Salute.