His current research focuses on sensor network infrastructures and real-time sensor data analytics involving cyber-physical systems, wireless sensor networks, mobile cloud computing and participatory sensing. He obtained his Ph.D. and M.A. degrees in Electrical and Information Sciences Engineering from the University of Cambridge, United Kingdom. From 2007-10, he was on secondment at the A*STAR Institute for Infocomm Research (I2R) Singapore. He is an associate editor of the IEEE Internet of Things Journal (IoT-J) and is in the editorial board of the International Journal of Network Management, and was the general chair of the IEEE SECON 2014, IEEE AINA 2011 and IEEE APSCC 2009 conferences. He is a member of the Technical Standards Advisory Committee (TSAC) convened by the Infocomm Development Authority (iDA) of Singapore.