He has also been Professor of comparative politics at the Department of Political Science and Public Administration of the University of Athens since 1993 (currently on leave).
Tá sé tar éis a bheith ina Ollamh ar pholaitíocht chomparáideachta i Roinn na hEolaíochta Pholaitiúil agus Riaracháin Phoiblí in Ollscoil na hAithne chomh maith ó 1993 i leith (ar saoire faoi láthair).