Jinhui is a member of Display and Contextual Advertising Sciences department in Y! Labs. He has been focused on the architecture and development of RISe (the next generation ad search engine) since July, 2007. He joined Yahoo! in October 2005 and had worked on MyWeb, Delicious, Answers, and sponsored search. He holds a Ph.D. in Electronics Engineering from Tsinghua University in Beijing, China.