and a Ph.D. in Informatics from the Department of Cultural Technology and Communication of the University of the Aegean. Currently, he is a lecturer at the Department of Cultural Technology and Communication of the University of the Aegean. His current research interests include: Security and privacy in Information Systems, software engineering models and tools and cloud computing. He is an author of several refereed papers in international scientific journals and conference proceedings. He is a member of several program committees of national and international conferences related to Information Security and Privacy and software engineering and is also a reviewer in several scientific journals. He is a member of the Greek Computer Society and has served as a member on the ACM and the IEEE. He is married and lives in Mytilene, the capital of Lesvos Island, in Greece.