Kheng Lee Koay received his B.Sc. degree in robotics and automated systems and Ph.D. degree in Computer Science from the University of Plymouth, U.K. in 1997 and 2003, respectively. He is currently a Postdoctoral Researcher at the Adaptive Systems Research Group at the University of Hertfordshire, U.K.His research interests include Mobile Robotics, Human-Robot Interaction, Robot's Expressive Behaviours and Agent Migration. He was involved in the FP6 European project Cogniron and is currently working in the FP7 European project LIREC.