Starting from the great importance attached to the transformational leadership style, the basic assumption of this theses is that there is a positive interrelationship between the characteristics of a leader and the transformation model of leading a preschool institution. The first part of the theses defines the basic concepts in the field of management. This is followed by an overview of different theories and leadership styles. The third chapter is followed by a more detailed elaboration of the transformational leadership style and the characteristics of the leader, i.e. the way of leading preschool institution. The aim of the research was to determine whether the assessments and self-assessments of the leaders and educators on the frequency of using the transformational leadership style differ, to determine the relationship between the transformational leadership style and management outcomes (extra effort, efficiency, and satisfaction) an to determine the relationship between transformational leadership and characteristics personalities of the leader. The research was conducted in the DIDI kindergarten, which consists of 10 facilities. Nine of them, i.e. 51 respondents participated in the research, and the instruments used were questioners. The results of the research show that educators and leaders mostly do not differ in their assessments of how often leaders apply a transformational leadership style, that there is a positive relationship between transformational leadership style and leadership outcomes, and that there is a significant relationship between some leadership characteristics and preschool leadership model.