Joël Billieux is currently associate professor of clinical psychology at the university of Luxembourg and visiting professor at the Catholic University of Louvain (Louvain-La-Neuve, Belgium). He is head of the Addictive and Compulsive Behaviours Lab (ACB-Lab) and member of the Integrative Research Unit on Social and Individual Development (INSIDE, University of Luxembourg). He has been also co-director of the Laboratory for Experimental Psychopathology (Université catholique de Louvain; 2012-2017) and the Internet and Gambling Disorders Clinic (Saint-Luc University Hospitals, Brussels; 2015-2017). He earned his PhD in Psychological Sciences and accomplished his postgraduate CBT training at 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 World Health Organization workgroup related to the public health implications of behavioral addictions associated with the excessive use of ICTs. Since 2017, he is board member of the newly created International Society for the Study of Behavioural Addictions (ISSBA). He has published more than 120 peer-reviewed papers, several book chapters, and three books. He is Regional Assistant Editor forInternational Gambling Studies, Associate Editor for the Journal of Behavioral Addictions, Section Editor (section Technological Addiction) forCurrent Addiction Reports, and member of several other editorial advisory boards (e.g.,Addictive Behaviors Reports,Current Psychiatry Reviews). He served in 2017 as guest editor for a special issue on technological addictions inAddictive Behaviors. He received in 2017 an Award of the Young Researcher in Human and Social Sciences 2016-2017from the Agence Universitaire de la Francophonie.