Panagiotis Stathopoulos received the Dipl.-Eng. degree from the School of Electrical and Computer Engineering (ECE),of the National Technical University of Athens, Greece (NTUA),in 1999. From 1999 to 2004, he was a Research Associate with the Computer Networks Laboratory of the ECE School of NTUA having participated in IST and GSRT funded research projects. Research interests included IP QoS, traffic control, video streaming on QoS aware networks, application and transport layer issues in beyond 3G composite radio environments. At 2004 he received his PhD from the ECE School of NTUA and from 2004 until 2006 he was a senior research associate with the Networks Laboratory of NTUA, also teaching as an adjuct Lecturer at the University of the Aegean and the TEI of Athens and Piraeus. From 2006 he is with the National Documentation Center were he is currently serving as the Head of the Systems and Network Unit of the Information Systems Department. He is a member of the Greek Technical Chamber and IEEE.

Alexandros Soumplis received the Dipl.-Eng. degree of Informational and Communication Systems from the University of Aegean in 2003. From 1999 until 2002 worked as support staff for the largest ISP in the country. In 2002 he became a Senior Systems Engineer in a major IT company. Since 2007 he cooperates with the National Documentation Center as a Senior System Administrator. During this time he lead the migration of the existing infrastructure to a virtual infrastructure. Alexandros Soumplis is a  Sun Certified Solaris System & Network Administrator  (2002) and a RedHat Linux Certified Engineer (2007). 

Nikos Houssos holds an B.Sc. and a Ph.D. degree from the Department of Informatics at the University of Athens in 1998 and 2004, respectively, and a M.Sc. in Telematics University of Surrey, UK (1999). He has been a staff member of the Communication Networks Laboratory of the University of Athens (1999-2004). His professional experience includes working as an adjunct lecturer at the Technical University of Crete, Department of Electronic and Computer Engineering (2004 -2007) and as a software engineer in the microelectronics sector (Photronics, 2005-2006). Since 2006 he is with the National Documentation Centre, currently serving as the Head of Software Development Unit.