H.K. Huang, D.Sc., FRCR (Hon.), is Professor and Director of Informatics in the Department of Radiology at the Children's Hospital Los Angeles, University of Southern California. He also holds the position of Chair and Professor of Medical Informatics at The Hong Kong Polytechnic University, and is Honorary Professor at the Shanghai Institute of Technical Physics, The Chinese Academy of Sciences. Dr. Huang is a pioneer in picture archiving and communication system (PACS) research. He is a consultant to numerous hospitals worldwide for developing PAC systems. Dr. Huang has been awarded honorary fellowships by the Royal College of Radiologists (UK), the American Institute of Medical and Biological Engineering (AIMBE), and the EuroPACS Society.