Transformational leadership has been discussed as one of the most important leadership styles influencing follower creativity. However, recently, doubts have also been voiced that question the perfect match between transformational leadership and creativity. In this chapter, the author reviews the extant literature on transformational leadership and creativity with a focus on underlying mechanisms and boundary conditions in order to establish a more comprehensive understanding of how and when transformational leadership impacts follower creativity. Although research has been prospering in the last two decades, there are still important questions that need to be answered. Therefore, she suggests several avenues for future research, especially concerning the theoretical foundations of transformational leadership and a more differentiated analysis of the impact of transformational leadership on follower creativity.