Joël Billieux is currently professor of clinical psychology and psychopathology at the catholic University of Louvain (UcL, Louvain-la-Neuve, Belgium). He is co-director of the Laboratory for Experimental Psychopathology (UcL) and the Internet and Gambling Disorders Clinic (Saint-Luc University Hospitals, Brussels). He earned his PhD in Psychological Sciences and accomplished his postgraduate CBT training in the University of Geneva. His main area of research regards the psychological factors (cognitive, affective, motivational, interpersonal) involved in the etiology of addictive behaviors, with a particular focus on self-regulation-related processes. Since 2014, he is an expert in a WHO workgroup related to the public health implications of behavioral addictions associated with the excessive of ICTs. He has published more than 80 peer-reviewed papers, several book chapters, and three books. He is Regional Assistant Editor for International Gambling Studies, Associate Editor for the Journal of Behavioral Addictions, and member of several other editorial advisory boards (e.g., Addictive Behavior Reports, Current Psychiatry Review).