Mark van Vugt is professor of social and organizational psychology at the VU University in the Netherlands and a research associate at Oxford University, in the UK. He is particularly interested in using evolutionary psychology to help understand group dynamics, leadership, status and power relations, altruism and co-operation, and relations between groups. He is the author of more than 100 scientific articles, books and book chapters in which he applies evolutionary perspectives to understand human social and organisational behaviour. He is interested in themes such as leadership, power, status, altruism, cooperation, and intergroup conflict. Insights from his research have been applied to various societal challenges involving ethical leadership and management, financial risk-taking,environmental sustainability, philanthropy, warfare and poverty.