Regardless of the level of community’s evolution, from less to more organized, this had an acknowledged leader, chosen or imposed, depending on the historical circumstances. The institution of head of the state, from an organizational point of view, has known either personal or collective forms of organization. In our country, the evolution of this institution is not radically different from the evolution of this institution in other countries, the differences and particularities are dictated by the historical and political conditions in which our state has been evolving. In this article we will analyze the general aspects of the evolution of the political institution of the head of the state.