At the School of Computing, he is the technical leader for Systems & Networking. He was a Visiting Professor at the Chinese Academy of Sciences in China from 2010 to 2014. From Jan 2007 to Dec 2008, he was an Honorary Advisor (Director’s Office) and Associate Senior Scientist in the Asia-Pacific Science & Technology Centre at Sun Microsystems Inc. He has held various visiting positions at MIT (2010), The Royal Institute of Technology in Sweden (2005), Hitachi Central Research Laboratory in Japan (1996) among others. He received his MSc (1987) and PhD (1989) in Computer Science from the University of Manchester (UK). He holds a BTech (1st Class Honours) degree (1983) in computer science from the University of Bradford (UK).