Dan Olweus, professor and research professor at the University of Bergen for 40 years, is generally recognized as a pioneer and Founding Father of research on bullying problems and as a world leading expert in this area both by the research community and by society at large. For more than 45 years, Olweus has been involved in research and intervention work on bullying among school children and youth. The book Bullying at School: What We Know and What We Can Do (Olweus, 1993) has been published in 25 different languages. His anti-bullying program, the Olweus Bullying Prevention Program (OBPP), has documented positive effects in a number of research evaluations and it has been implemented in a large number of schools in several countries, including Norway, the U.S.A., Sweden, Iceland, and Lithuania. Olweus has received a number of awards and recognitions for his research and intervention work. Recently, Olweus received the Distinguished Contributions to the International Advancement of Psychology Award in 2011, given by the American Psychological Association (APA), and in 2012, he received APA’s award for Distinguished Contributions to Research in Public Policy.