Steven J. Karau is a management professor at Southern Illinois University, teaching courses in organizational behavior, human resources, and social responsibility. He conducts research on a range of organizational behavior issues, with a special focus on motivation within groups, team performance, personality, and ethics. He has published more than 40 articles in a variety of top psychology and management journals and co-developed the Collective Effort Model of individual motivation on group tasks, and Role Congruity Theory of prejudice toward female leaders. His research on social loafing was featured on an episode of ABC News’ 20/20.