Open Psychotherapy Centre is an autonomous, self-sufficient, non-profit day care unit, which is not financial supported by the state or any organization inside or outside Greece. Theoretical and structural innovations have been applied since the very beginning concerning, apart the therapeutic and training activities, the organizational structure (administrative and financial function). The basic characteristics of the organization are: the administration is group-centered, the operation is based on the open systems, where the small and large group meetings are utilized, and role interchange is frequent (the conductor of each department changes every two years). In communal approach, as this kind of structure is called, there are no gaps in communication. On the contrary, small and large group meetings are officially functioning in order to provide the proper space for the personnel to discuss face-to-face thoughts, emotions and disagreements, while at the same time everyone is aware of the whole organization function. The basic constitutional principles of the organization are: