Organizational development, management is a planned process that aims to provide general organizational health, including steps to streamline, optimize the quality of life at work, return quality services and products. The emphasis is on improving the organization's ability to recognize and solve problems they face, the desire to achieve total quality. In health, development processes will need to focus not only on development issues today, but also anticipate future problems, not just certain types of processes, but as many of them, not just technical resources, as especially human ones. Excellent organizational, management aims to not only adapt to circumstances, and especially becoming the power to create the circumstances. This paper addresses several categories of specialists: personnel management or administrative functions of health, organizational counselors, specialists in human resources. They will have the opportunity to better understand the specific health organizations, "zones" which can develop projects and management programs in accordance with institutional needs concrete, the new European demands. The reader has the opportunity to discover one of the most complex structural-functional organization, the services of neurosurgery.