There is a need for individuals who have the confidence and assertiveness to adapt to and create positive change in contemporary organizations. The concept of core self-evaluations provides one way to conceptualize this requisite positive self-construal. This article begins by covering the concept of core self-evaluations, highlighting what has been learned about the relationship between core self-evaluations and attitudes, motivation, performance, and career progress. After this review, implications of the core self-evaluation construct for challenges in contemporary organizations are reviewed. Specifically, the potential importance of core self-evaluations for creative performance, transformational leadership, coping with organizational change, and managing "boundaryless" careers is discussed.