| 2019/08 – present |
Investigator, Institute of Agriculture, Department of Food Science, Taichung, Tunghai University, Taiwan |
| 2015/12 – 2019/07 |
Distinguished Investigator, Kidney and Translational Medicine, Changhua Christian Hospital, Changhua, Taiwan |
| 2016/03 – present |
Honorary Investigator, Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Miaoli, Taiwan |
| 2009 – 2015 |
Director, The Core Instrument Center, National Health Research Institutes, Zhunan, Miaoli, Taiwan |
| 2009 – 2010 |
Acting Director, Department of Administration, National Health Research Institutes, Zhunan, Miaoli, Taiwan |
| 2010 – 2015/12 |
Jointed Professor, Ph.D Program for Aging, China Medical University, Taichung, Taiwan |
| 2006/08 – 2015/12 |
Investigator, Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan |
| 2005/08 – 2006/07 |
Professor, Institute of Medical Research, Chang Jung Christian University, Changhua, Taiwan |
| 1999 – 2005 |
Associate Professor, Department of Medicine, Case Western Reserve University, Cleveland, OH, USA |
| 1991 – 1999 |
Assistant Professor, Department of Medicine and Physiology and Biophysics, Case Western Reserve University, Cleveland, OH, USA |
| 1988 – 1991 |
Visiting Assistant Professor, Department of Medicine and Physiology and Biophysics, Case Western Reserve University, Cleveland, OH, USA |
| 1985 – 1988 |
Postdoctoral Fellow, Department of Pharmacology and Cell Biology, Stanford University, CA, USA |
