Ling Guan received his Ph.D. Degree in Electrical and Computer Engineering from University of British Columbia, Canada in 1989. In 1988-92, he was a Research Engineer of Array Systems Computing Inc, Toronto, Canada in machine vision and signal processing.

He started his academic career with the University of Sydney, Australia in October 1992, where he is the founder and director of the Signal and Multimedia Processing Lab. In 1994, he was a visiting fellow at British Telecom, and in 1999, he was a visiting professorial fellow at Tokyo Institute of Technology. He is currently on sabbatical leave and a visiting professor at Princeton University. His research interests include multimedia signal processing and systems, optimal search engine, computational intelligence and machine learning, adaptive image and signal processing. He has published more than 130 technical articles in these fields.