Professor Tin-Chih Toly Chen received his Ph. D. degree in industrial engineering from National Tsin Hua University. He is now a distinguished professor in the Department of Industrial Engineering and Management at the National Chiao Tung University. He has published over one hundred papers, including multiple papers on 3D printing and UM in journals such as Robotics and Computer-Integrated Manufacturing , the Journal of Intelligent Manufacturing , the Rapid Prototyping Journal , and the International Journal of Intelligent Systems . He has also guest edited several special issues on related topics in these journals. Professor Chen is the founding editor of the International Journal of Fuzzy System Applications and the founding president of Ambient Intelligence Association of Taiwan .