Training of professional and personal development of a Manager is analyzed as a multifunctional psychological practice. A brief history of changing the status of training in Russia and the attitude of scientists to it is presented. Practical, theoretical and methodological substantiation of the author's point of view on training as a special kind of psychological practice is given. The main functions of the training are described in detail: psychotherapeutic, motivational, developmental, diagnostic, learning. The functions are described using examples from the specific practice of conducting training with adult business school students who have the status of a Manager in their professional field. An original form of determining the quality of managers ' training using training is proposed: development and description of a personal program of personal and professional development for the next two years. The perspective of training research as a psychological practice is outlined.