Success in change management depends on identifying the need for change. The change needed first requires an analysis of the organizational culture of the organization that aims the change. The leader, on the other hand, is the main determinant of the organizational culture and therefore the change management process. The purpose of the research is to reveal the aspects that need to be improved in terms of the change management process by determining the current (still existing) and targeted (desired to be reached) organizational culture of the public libraries in Ankara, the current managerial approaches displayed in the libraries and the leadership characteristics of the managers. The research also aims to develop proposals that will accelerate this process in the long term and provide institutional continuity and effectiveness. The research was carried out with descriptive method, and the data were collected by a questionnaire technique. The scope of the research consists of 27 librarians with Information Management or librarianship education are working in public libraries in Ankara. As a result of the research, it was revealed that the level of participation of librarians in existing managerial approaches is low, and managers are weak in terms of leadership characteristics. It has been understood that there is a mismatch between the current and targeted organizational culture approach of public libraries in Ankara. In this research, some suggestions were developed. Within the scope of the change management process, the existing and targeted culture mismatch should be eliminated as much as possible. In terms of institutional continuity and effectiveness, the management approach needs to be transformed from a traditional structure to a modern one. Managers must have many different leadership characteristics. Organizational culture needs to be shifted from culture of hierarchy/control to culture of clan/cooperation, adhocracy/creative, and partly to market/competition culture.