Attended Beijing University from Sep. 1983 to Jul. 1987 and received Bachelor’s degree in Physics. Was a graduate student at the Institute of Theoretical Physics of the Academy of Science of China from Sep. 1987 to Sep. 1990. Attended the graduate school of Michigan State University (Department of Physics and Astronomy) from Sep. 1990 to May 1995. Received Master’s degree and Ph. D in physics. Was a post doc at the University of Colorado Boulder from May 1995 to Apr. 1997. Was a post doc at Fermi National Accelerator Laboratory from Apr. 1997 to Aug. 2000. Was a staff scientist at Oak Ridge National Laboratory from Aug. 2000 to Aug. 2001. Was a staff scientist at Lawrence Berkeley National Laboratory from Aug. 2001 to Jul. 2017. Joined the School of Physical Science and Technology at ShanghaiTech University in Jul. 2017 as a professor.

Main problems of research up to now have been motion of charged particle beams in electromagnetic fields, which includes: 1) charged particle optics, including the design of the optics of electron microscopes and aberration correctors. 2) single particle dynamics problems in particle accelerators, including synchrotrons, storage rings and beam transfer lines. 3) photocathode R&D. Recently, I have become interested in Thorium based molten salt reactors and will try to work on thermal hydraulics related problems in the future.