He has been a Lead Investigator / Visiting Professor on medical image analysis and medical computer vision at Surgical Planning Laboratory (SPL), Harvard Medical School during his 2014 SSP. He received his PhD degree in Computer Science from the Basser Department of Computer Science, The University of Sydney, in 2001. His research interests include medical computer vision, image/video processing and retrieval, medical image analysis, machine learning, big data mining, computer vision & pattern recognition, bioinformatics, and computational neuroscience. He has published more than 200 peer-reviewed papers in leading international journals and proceedings of top international conferences.