Michael West is Professor of Organizational Psychology at Lancaster University Management School, UK. Previously Executive Dean of Aston Business School, he has authored, edited or co-edited seventeen books. He has also published over 200 articles for scientific and practitioner publications, and numerous chapters in scholarly books. He is a Fellow of the British Psychological Society, the American Psychological Association, the Society for Industrial & Organizational Psychology, the British Academy of Management and the Chartered Institute of Personnel and Development. Dean Tjosvold, PhD, is a professor in the Department of Business Administration at Simon Fraser University, Burnaby, British Columbia. Dr. Tjosvold holds a doctorate in the social psychology of organizations from the University of Minnesota. In addition to being a partner in several successful health care businesses, he is a management consultant specializing in team organization, conflict management, and related issues. He has written more than a hundred professional articles on conflict management, cooperation and competition, decision making, power, and other management issues, and is the coauthor of twelve books for managers, including Team Organization: An Enduring Competitive Advantage (Wiley); Teamwork for Customers: Building an Organization That Takes Pride in Serving; and Learning to Manage Conflict: Getting People to Work Together Productively. Ken G. Smith is the editor of International Handbook of Organizational Teamwork and Cooperative Working, published by Wiley.