Konstantinos Oikonomou received his diploma in Computer Engineering and Informatics from University of Patras in 1998. In September 1999 he received his M.Sc. in Communication and Signal Processing from Imperial College (London) and his Ph.D. degree in 2004 from the Department of Informatics and Telecommunications, National and Kapodistrian University of Athens, Greece. His Ph.D. thesis focuses on medium access control policies for ad hoc networks. Between December 1999 and January 2005 he was employed at INTRACOM S.A, as a research and development engineer. He currently holds an academic position as Assistant Professor in Computer Networks with the Department of Informatics of the Ionian University, Corfu, Greece. His current interests involve, among others, performance issues for ad hoc and sensor networks, autonomous network architectures, efficient service discovery (placement, advertisement and searching) in unstructured environments, scalability in large networks. He holds an award for the best paper from the Hawaii International Conference on System Service and another one from the Hellenic Mathematical Society.