This text introduces the reader to psychological research on leadership in organizations. From the early work on leadership, through to the contingency approach when a variety of styles and behaviours could be effective, the most important leadership concepts in modern approaches to leadership are discussed: "visioning", the strategic role of the leader, the concept of charisma, delayering and empowerment. The book refers to real-life current leaders, and to practices in organizations such as Mercury Communications and The Body Shop.