Gerben A. van Kleef, PhD. is a professor of social psychology at the University of Amsterdam, the Netherlands. His main research programs revolve around emotion, power/hierarchy, social norms, conflict, and cooperation. In studying these topics, he combines (social) psychological approaches with insights from several other disciplines, including organizational behavior, evolutionary science, biology, behavioral economics, and law. In much of his work he adopts an interpersonal perspective, examining how individuals influence and respond to one another across various social and organizational settings, including personal relationships, group decision making, persuasion, conflict, negotiation, leadership, and consumer behavior. Van Kleef has published 155 journal articles, 2 books, and 17 chapters, which have attracted over 23.500 citations (h-index 76). He has served as associate editor of Social Psychological and Personality Science, Cognition and Emotion, and Organizational Behavior and Human Decision Processes, and as guest editor of the Journal of Experimental Social Psychology and Current Opinion in Psychology, among other journals. He has held visiting positions at UC Berkeley, Columbia University, and Stanford University. He is an elected fellow of the Society of Experimental Social Psychology, the Society for Personality and Social Psychology, and the Association for Psychological Science, and recipient of the mid-career award of the European Association of Social Psychology.