Efstathios Stamatatos received the diploma degree in electrical engineering (1994) and the doctoral degree in electrical and computer engineering (2000), both from the University of Patras, Greece. He was a research associate of the Wire Communications Lab. of the University of Patras from 1995 to 2003. He also joined the Polytechnic University of Madrid (1998) as a visiting researcher, the Austrian Research Institute for Artificial Intelligence as a post-doc researcher (2001-2002), and the TEI of Ionian Islands as an adjunct professor (2002-2004). Since 2004 he is a faculty member of the Dept. of Information and Communication Systems Engineering, University of the Aegean.