- 1999 – 2006 Lecturer of Radiology
- 2006 – 2009 Assistant Professor of Radiology
- 2009 – 2013 Associate Professor of Radiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- 2003 – 2006 Research Fellow
- Robert Steiner MRI Unit, Imaging Sciences Department Clinical Sciences Centre, Medical Research Council (MRC), Hammersmith Hospital Campus, Imperial College London, London, UK
- Clinical Fellow, PET Unit, Department of Nuclear Medicine NHS Hammersmith Hospital, London, UK