He is  professor of clinical psychology at the university of Lausanne and at the Center for Excessive Gambling (Lausanne University Hospitals). His research regards the psychological factors involved in the etiology of addictive behaviors, and the conceptualization and diagnosis of behavioral addictions. He also conducts research on the therapeutic use of tabletop role-playing games. He is a contributor of ICD-11 CDDR section on “substance use disorder and addictive behaviors”.