In 1997, he held an appointment as Visiting Professor of political science at the Juan March Centre for Advanced Studies in the Social Sciences (Madrid).He has served as President of the Greek Political Science Association (1992-98) and of the Modern Greek Studies Association of the United States (1985-88).
I 1997, bhí post an Ollaimh ar Cuairt san eolaíocht pholaitiúil aige in Ionad Ard-Léinn sna hEolaíochtaí Sóisialta Juan March (Maidrid).Bhí sé ina Uachtarán ar Chumann Eolaíochta Polaitiúla na Gréige (1992-98) agus de Chumann Léinn Nua-Ghréagaigh na Stát Aontaithe (1985-88).