2021/02 -
Professor, Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
2021/02 -
Senior Vice President, National Yang Ming Chiao Tung University
2017/08 - 2023/07
Dean, College of Science, National Chiao Tung University, Hsinchu, Taiwan
2015 - 2022
Visiting professor, Chiba University, Japan
2014/08 - 2017/07
Vice Dean, College of Science, National Chiao Tung University, Hsinchu, Taiwan
2011/08 - 2017/07
Distinguished Professor,Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan
2011/08 - 2013/07
Chairman, Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan
2007/08 - 2011/07
Deputy Chief Executive, Aim for the Top University Project of NCTU, Taiwan
2006/08 - 2007/07
Vice Dean, College of Science, National Chiao Tung University, Hsinchu, Taiwan
2002/08 - 2021/01
Professor, Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan
1999/08 - 2002/07
Associate Professor, Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan
1996 - 1996
Visiting Scientist, NEC Yokohama factory, Japan(May~Oct.)
1994 - 1999
Associate researcher, Instrument Research Institute, National Science Council, Taiwan