Apostolos Gkamas obtained his Diploma, Master Degree and Ph.D from the Computer Engineering and Informatics DepartmentOther site of Patras University (Greece)Other site. He is currently Associate Professor in University Ecclesiastical Academy of Vella, IoanninaOther site. His research interests include Computer Networks, Telematics, Multimedia transmission and Cross Layer Design. More particular he is engaged in transmission of multimedia data over networks and multicast congestion control. He has published more than 70 papers in international Journals and well-known refereed conferences. He is also co-author of three books (one with subject Multimedia and Computer Networks one with subject Special Network Issues and one with subject IPv6). He has participated in various R&D project (in both EU and national) such as IST, FP6, FP7, Intereg eLearning, PENED, EPEAEK, Information Society.