In essence, the review article aims to update and highlight the role of the professional development of staff in public institutions, because now more people tend to have a successful career in their field of work, so professional development is a complex process, with the objective useful knowledge acquisition, both in relation to the situation as of the moment and the next. Staff Development - providing grounding human activity on the principle of lifelong learning, the transformation of information into a resource base of the institution and shaping learning organizations and knowledge-based institutions - become a priority of any institution.