Attila Szabo, PhD, DSc, is Doctor of the Hungarian Academy of Sciences and Professor of Psychology at ELTE Eötvös Loránd University in Budapest, Hungary. He completed his undergraduate and postgraduate education at Concordia University (BSc in Psycholoy and MSc in Biology) and University of Montreal (PhD in 'Sciences de l'activité physique'), in Montreal, Canada. He served the sport science teaching and research teams at Nottingham Trent University, first as Senior Lecturer then as Reader for nearly nine years. His research interest is in behavioral addictions and placebo effects in sports and exercise.

Zsolt Demetrovics, PhD, DSc, is Clinical Psychologist and Cultural Anthropologist. Until 2021, he was the Dean of the Faculty of Education and Psychology, and Director of the Institute of Psychology, as well as Head of the Department of Clinical Psychology & Addiction at the ELTE Eötvös Loránd University, Budapest, Hungary. Currently, Zsolt is Chair of Centre of Excellence in Responsible Gaming at the University of Gibraltar. He is former president of the Hungarian Association on Addictions and funding Editor-in-Chief of the Journal of Behavioral Addictions. Furthermore, Zsolt is the president of the International Society for the Study of Behavioral Addictions. He is board member of the International Collaboration on ADHD and Substance Abuse (ICASA), and the European Association of Substance Abuse Research (EASAR).