He received his PhD degree from the University of Maryland in College Park (1989) and was a faculty member at the University of Waterloo (1989-1995) and Simon Fraser University (1995-2001). He has received two best paper awards, authored two monographs, and written more than 100 articles. His research interests include knowledge engineering (planning, case-based reasoning, and machine learning) and data mining for the Web and wireless data, as well as data mining applications. He has been involved in the organization of several international conferences including AAAI, Canadian AI, and the International Conference on Case-Based Reasoning. He is also on the editorial boards of several international journals.