Dr. Antonios Alexiou obtained his Diploma from the Department of Electrical and Computer Engineering of the Aristotle University of Thessaloniki (Greece). Furthermore, he obtained his Master Degree and his PhD from the Computer Engineering and Informatics Department of Patras University (Greece). He is currently working as R&D Computer Engineer at the Research Unit 6 of the Research Academic Computer Technology Institute in Patras (Greece). His research interests include data networks, third generation mobile telecommunications networks, multicast routing and group management, radio resource management, mobile and wireless ad-hoc networks. He has published 4 papers in Journals and 16 papers in well-known refereed conferences. He is currently involved in the projects Technical Consultant of Broadband Networks, Technical Consultant of Wireless Local Area Networks and Games @ Large.