This article addresses the issue of clinical leadership and how it is defined. The concepts and definitions of clinical leadership are considered as well as the results of new research that suggests that clinical leaders can be seen as experts in their field, and because they are approachable and are effective communicators, are empowered to act as a role model, motivating others by matching their values and beliefs about nursing and care to their practice. This is supported by a new leadership theory, congruent leadership, proposed as the most appropriate leadership theory to support an understanding of clinical leadership. Congruent leaders (clinical nurse leaders) are followed because there is a match between the leader's values and beliefs and their actions.