Volker Stein (volker.stein@uni-siegen.de), is Full Professor at the University of Siegen, Germany, holds the Chair of Business Administration, especially Human Resource Management and Organizational Behavior, and Founding Director of University of Siegen Business School. His current research focuses on human resource management in small and medium-sized enterprises, human capital measurement, international empirical organizational research, market-based leadership in organizations, and university governance.