Martijn van Zomeren is Associate Professor in the Department of Social Psychology at Rijksuniversiteit Groningen, The Netherlands. In 2009 he was awarded a prestigious VENI grant from the Dutch Science Foundation and in 2011 he was awarded the Kurt Lewin Medal, an early career award from the European Association for Social Psychology. Dr van Zomeren has published a number of contributions to the literature on collective action and social change in high-impact psychology journals.