S. Alexander Haslam is Professor of Psychology and Australian Laureate Fellow at the University of Queensland. Alex’s research focuses on the study of group and identity processes in social, organizational and contexts. Together with over 250 co-authors around the world, he has written and edited 14 books and published over 250 peer-reviewed articles on these topics. He is a former Editor of the European Journal of Social Psychology and currently Associate Editor of The Leadership Quarterly. Stephen Reicher is Professor of Psychology at the University of St Andrews. Steve’s seminal contributions to research on social identity and self-categorization theories stretch back to the 1970s, and have been particularly influential in areas of delinquency, nationalism, crowd behaviour, and political influence. Together with over 200 co-authors, he has written and edited 7 books and published over 200 peer-reviewed articles on these topics. He is a Fellow of the British Academy and of the Royal Society of Edinburgh, and a former Editor of the British Journal of Social Psychology. Michael Platow is Professor in Psychology at the Australian National University. Michael has published extensively on intergroup relations, social justice, leadership and social influence. He has published over 120 papers in these areas and written and edited three books. He is a Fellow of the Academy of Social Sciences in Australia and a former president of the Society of Australasian Social Psychologists.