Gang Sheng Chen is J. Robert Fletcher Associate Professor in college of Information Technology and Engineering, Marshall University, Huntington, WV, USA. His industry experience includes work in multinational corporations. The author of 80 journal papers, books and chapters, recipient of five patents and twelve industrial/academic/association awards, Gang Sheng is a Fellow of ASME and serves on the editorial boards of three international journals. He holds B.S. and M.S. degrees from Shanghai Jiao Tong University, China, and a Ph.D. from Nanyang Technological University, Singapore.