S.H. Choi obtained both his B.Sc. and Ph.D. degrees from the Mechanical Engineering Department at the University of Birmingham, UK. He had worked as a CAD/CAM consultant prior to joining the University of Hong Kong. His main research interest is in computer applications for advanced manufacturing, including rapid prototyping, virtual manufacturing, and RFID-based product anti-counterfeiting, with a focus on development of model slicing and tool-path planning algorithms for multi-material and high-speed rapid prototyping. He has published various international journal and conference papers and book chapters.