Education Ph.D., Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana-Champaign, IL, 2001 M.S., Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana-Champaign, IL, 2000 B.S., Dept. of Computer Science (minor degree in Business Management) Tsinghua University, Beijing, China, 1995 Mathematics Olympic Class, managed by Tsinghua High-School, Tsinghua University, Beijing, China, 1988-1990