JT确实在linkedin说他是CalTech的PHD
http://cn.linkedin.com/pub/jun-tang/18/ba/296

JUN TANG’s Education
California Institute of Technology
Ph.D. , Computer Science , 1990 — 1993

Nagoya University
Master , Automation , 1985 — 1990

Beijing University of Post and Telecommunications
Bachelor , Applied Physics , 1980 — 1984