He received his undergraduate degree in electronic and computer engineering from the Technical University of Crete and the M.A.Sc. and Ph.D. degrees in electrical and computer engineering from the University of Toronto where he was also a Post-Doctoral Researcher. He is involved in research relating to protocol design, real world experimentation, and performance analysis. His research interests include wireless networking and network protocols with a focus on wireless sensor and cognitive networks, Smart Cities and Internet of Things. He has received a number of research grants from academic and federal sources as well as from industrial partners. He has several publications in scientific journals and participation in international conferences and research symposia. He has received a number of IEEE Best paper, Best demo and Best poster awards. He is a member of IEEE and ACM.