· Research Manager, Google Research2015–
· Thomas and Gerd Perkins Professor of Electrical Engineering and Computer Science, Massachusetts Institute of Technology2001–
· Ph.D. in Media Arts and Sciences, Massachusetts Institute of Technology1992–
· Senior Research Scientist, Mitsubishi Electric Research Labs1992–2001
· Research Assistant and Research Scientist, MIT Media Lab1988–1992
· Foreign Expert, Taiyuan University of Technology1987–1988
· M.S. in Applied Physics, Cornell University1981–
· Principal Engineer, Polaroid Corporation1981–1987
· Teaching Assistant, Cornell University1980–1980
· Research Assistant, Cornell University1979–1980
· B.S. in Physics, Stanford University1979–
· M.S. in Electrical Engineering, Stanford University1979–
· Research Assistant, Stanford Center for Radar Astronomy1977–1979