Formerly, Research Manager, Wireless and Networking Group, Microsoft Research Asia, Beijing. Currently, with Hong Kong University of Science and Technology (HKUST): Tencent Professor of Engineering and Chair Professor of Computer Science and Engineering; Co-Director, Huawei-HKUST Innovation Lab; Director, Digital Life Research Center. Has published more than 400 refereed papers in international leading journals and conferences in wireless communications and networking, Internet of Things, multimedia networking and wireless sensor networks. IEEE Fellow.