Tinghuai Ma received the bachelor’s and master’s degrees from the Huazhong University of Science and Technology, China, in 1997 and 2000, respectively, and the Ph.D. degree from the Chinese Academy of Science, in 2003. He was a Postdoctoral Associate with AJOU University, in 2004. From 2007 to 2008, he visited Chinese Meteorology Administration. In 2009, he was a Visiting Professor with the Ubiquitous Computing Laboratory, Kyung Hee University. He is currently a Professor in computer sciences with the Nanjing University of Information Science and Technology, China. He has authored more than 100 journal/conference papers. His research interests are data mining, cloud computing, ubiquitous computing, and privacy preserving.