Yuanchun SHI is a professor of the Department of Computer Science, the director of HCI & Media Integration Institute, Tsinghua University and the director of Pervasive Computing Division of Tsinghua National Lab of Information Science and Technology. She received all her PhD, MS and BS in Computer Science from Tsinghua University. She was a senior visiting scholar at MIT AI lab in 2001. Her research interests include pervasive computing, human computer interaction, network multimedia and elearning technology.