Professor in the Department of Informatics of Athens University of Economics and Business (AUEB). He is a graduate of Electrical and Mechanical Engineering Department of National Technical University of Athens and has a PhD in Informatics from the same University.

His research interests include Computer and Telecommunication Networks, Performance evaluation and Queuing theory, Mobile and ubiquitous systems and Broadband infrastructure and e-services.

He has been AUEB's Vice-Rector of Academic Affairs from January 1998 until August 2001.