· SEF Research Specialist, Massachusetts Institute of Technology2005–
· Electron Microscopist / Research Associate, University of Delaware1997–
· Software Engineer, Beijing Institute of Aeronautical Materials1996–
· Ph.D. candidate, Beijing Institute of Aeronautical Materials1993–
· M.S. Candidate, Xi'an Jiaotong University1989–
· Assistant Engineer, Xi'an Transformer and Electric Furnace Factory1986–
· B.S.E., Tianjin University1982–