The changes that take place every day affect all aspects of people's lives. They cannot be avoided, but you can influence how you react to them. In order to respond to changes in the business world in a timely and successful manner, a person is needed who will be in charge and play a key role in introducing changes in the business organization. This person is usually a manager. A manager must have the necessary skills and qualities that he will improve in order to successfully perform his tasks. This work connects these two concepts, the need to introduce changes in business organizations as well as the role of managers in this, this work aims to prove that the manager is really the person who has a key role in introducing and implementing changes within the organization. As in recent years there have been major changes in the field of informatics and informatization, this paper also has a special emphasis on digital changes implemented within business organizations. In this paper, the theory that describes the terms manager, changes and digitalization is synthesized and analyzed, with special emphasis on the role of managers in introducing changes. Empirical research was conducted in which the attitude of employees about the qualities of their superior managers was examined. This research aims to confirm the theory about the importance of managers, their necessary qualities and abilities when introducing changes in business organizations from the perspective of employees.