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).
Bhí sé mar Uachtarán ar Chumann Eolaíocht Pholaitiúil na Gréige (1992-98) agus ar Chumann Léinn Gréigise Nua-aimseartha na Stáit Aontaithe (1985-88).