Paul K. Chu is Chair Professor of Materials Engineering in the Department of Physics and Materials Science at the City University of Hong Kong. A fellow of the IEEE, APS, AVS, and HKIE, Dr. Chu is the author of more than 20 book chapters, 900 journal papers, and 800 conference papers and holds numerous patents. He is also the senior editor of IEEE Transactions on Plasma Science, associate editor of Materials Science & Engineering Reports, and an editorial board member of several international journals. His research activities encompass plasma surface engineering and various types of materials and nanotechnology. He received a PhD in chemistry from Cornell University. XinPei Lu is a professor (ChangJiang Scholar) in the College of Electrical and Electronic Engineering at Huazhong University of Science and Technology. A senior member of IEEE, Dr. Lu is the author or coauthor of 50 peer-reviewed journal articles and holds six patents. His research interests include low-temperature plasma sources and their biomedical applications, modeling of low-temperature plasmas, and plasma diagnostics. He received a PhD in electrical engineering from Huazhong University of Science and Technology.