Employees' expertise and competence are among the important success factors of today's work organizations. This special issue on expertise and excellent performance within work settings, addresses questions such as: how do excellent performers proceed when accomplishing work tasks? What strategies do they use? Which aspects of knowledge and behaviour are crucial for excellent work performance? How can you identify, select, and train excellent performers? This text combines empirical studies and practitioners' approaches to these challenging issues. In addition, open peer communication are provided by academics and practitioners from a number of European countries.