Dr. Gerhard Meyer, Professor at the Institute of Psychology and Cognition Research at the University of Bremen (Germany), has been the principal investigator of several research projects dealing with problem gambling and delinquency, neuroendocrine response to casino gambling, brief intervention for problem gamblers and the addictive potential of different gambling forms. He also served as a consultant for national regulators ... Read moreas well as the gambling industry and acted as forensic expert witness in court cases. Tobias Hayer is a psychologist and received his diploma in 2001. Since 2001, he is working as a research assistant at the Institute of Psychology and Cognition Research at the University of Bremen (Germany). Tobias Hayer conducts research on issues related to problem gambling and school violence. Currently, he is completing his doctoral dissertation on adolescent problem gambling. Dr. Mark Griffiths is a Chartered Psychologist and Professor of Gambling Studies at the Nottingham Trent University (England). He has published numerous research articles, book chapters and a couple of books on gambling and has been keynote speaker at some of the most important international gambling conferences. Mark Griffiths also served as a member on a number of national gambling committees and advised many governments around the world. He has also won seven national and international awards for his research. Show Less