The article reveals the importance of self-management - one of the most important elements of successful organization and management of modern organizations. The main approaches to the definition of self-management by foreign and Ukrainian scientists were studied. We believe that self-management is the use of effective work methods, using resources to achieve goals. Today, a manager is one of the most sought-after professions, which is characterized by professional knowledge of the field of activity and the availability of certain knowledge. The manager's work is useful and meaningful when he has business qualities. A manager must master the science and art of self-management, master the techniques of self-management. The need for self-management in modern conditions as a means of efficiency in achieving the manager's goals is substantiated. For this purpose, the tasks of self-management are defined, which are effective management of one's own life and work activities, successful overcoming of problems, establishing communications with management and colleagues, as well as influencing the work behavior of employees. The relevance of self-management for the professional success of a manager is proven. In modern conditions, the activity of a manager is effective if it takes place in conditions of application of all elements of self-management: self-governance, self-development, self-control, self-realization, self-analysis, time planning, realization of goals. The role of all elements of self-management in the development of a manager's creative potential is revealed. Thanks to self-management, the manager can realize his abilities, improve himself, thereby contributing to the development of the enterprise and society. The cited studies show that self-management can be applied by managers of any organizations that have problems in life, activity, career development, defining fields of knowledge, contribute to their solution. The theoretical and methodological developments presented in the article are aimed at mastering the technology of self-management by managers, which will allow them to develop, reveal their potential, their opportunities, and become a professional in their field.