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PETROU IOANNIS is Professor of Sociology and Ethics in the School of Theology and Chair of the Department of Journalism and Mass Communication of the Aristotle University of Thessaloniki. He has participated in two European Programmes: “European Identity, Welfare State, Religion”, as scientific supervisor of the Greek Research Group, and “Material/Module for the Training of Specialized Executives in the Approach of Problems of Intercultural Communi-cation in the Field of Local Community (Neighborhood/Muni-cipality/Prefecture)”, as coordinator. He was a member of the European Commission Think Tank in the area of European Cultural Dimension. He is a member of the Environmental Committee of the Aristotle University as well as of the interdisciplinary network “Medical Practice and Law” and of the Bioethics Association. His recent books are: Multiculturality and religious freedom (2005), Social Theory and Modern Culture (2005), Sociology (2007) (in Greek).