The book covers three current and significant areas for today in management and business development. The work highlights various theories in the areas of change management, social engineering, and business development concepts. The textbook contains questions and practical tasks for self-assessment of the material studied, the implementation of which will allow students to apply and consolidate theoretical knowledge, turning them into professional competences. Also, the book includes a review of relevant articles and materials according to the sections. This approach will allow students to get an insight into contemporary research and become familiar with the various points of view of experts in the areas under consideration. Recommended for students of higher professional education enrolled in the areas of training "Management" and "Economics".