His primary research direction is Human-Computer Interaction (HCI). Jingtao's current research interests include - mobile interfaces, education/learning technology, end-user programming, machine learning and its applications in HCI. He received his Ph.D. degree in computer science from the University of California, Berkeley. Before that, Jingtao was a researcher and team lead at the IBM China Research Lab, working on large-vocabulary, online handwriting recognition technologies for Asian languages. He received his master degree and bachelor degree both from Xi'an Jiaotong University, China.