René Veenstra (1969), Ph.D., is Professor, Department of Sociology, University of Groningen, and director of the Interuniversity Center for Social Science Theory and Methodology (ICS), the Netherlands, and member of the management team of TRAILS. He was Visiting Professor, Department of Psychology, University of Turku, Finland. During the period 2011-2014, he coordinated the implementation and evaluation of the KiVa Antibullying Program in the Netherlands. He published on a variety of topics (bullying and victimization, peer relations, prosocial and antisocial behavior, social network analysis, temperament-by-environment interactions) in major scientific journals including Child Development, Developmental Psychology, International Journal of Behavioral Development, Journal of Child Psychology and Psychiatry, Journal of Early Adolescence, and Journal of Research on Adolescence. He is Associate Editor of the Journal of Research on Adolescence for the period 2010-2016.