Guanjun Tong, Ph.D., Professor of Shanghai Institute of Microsystem and Information Technology (SIMIT). He earned his Ph. D degree in physical electronics from Shanghai Institute of Technical Physics(SITP). His researches focus on wireless sensor network system and its application, and has participated in many major projects, successively acted as chief designer, sub-system manager. His research interests also include  integration and encourage the application of advances in science and technology.