William Cheung received his bachelor of science and master of philosophy degrees in electronics from Chinese University of Hong Kong in 1991 and 1993, respectively, and a PhD degree in computer science from Hong Kong University of Science and Technology in 1999. His current research interests include artificial intelligence, data mining, social network analysis, and healthcare informatics. William has served as co-chairs and members of programme committees for various international conferences and workshops focused on artificial intelligence, machine learning, data mining, web intelligence, and health informatics. From 2002 to 2018, he was the associate editor and later the managing editor of the IEEE Intelligent Informatics Bulletin. He is currently a track editor for Web Intelligence and serves as an associate editor for both the Journal of Health Information Research and Network Modelling Analysis in Health Informatics and Bioinformatics.