| 1979 - 1982 |
Research Fellow, California Institute of Technology |
| 1982 - 1986 |
Associate Professor of Physics, Tsing-Hua University
|
| 1985 - 1986 |
Visiting Associate, California Institute of Technology |
| 1986 - present |
Professor of Physics, Tsing-Hua University |
| 1992 - 1996 |
Director, Instrument Division, Nuclear Science and Technology Development Center, Tsing-Hua University |
| 1996 - 1997 |
Guest Scientist, Institute for Nuclear and Particle Astrophysics and Isotopes Project, Nuclear Science Division, Lawrence Berkeley National Laboratory |