Jul. 2003 – 2010 Attending Physician/ Assistant Professor, Department of Dermatology, Chang Gung Memorial Hospital, Taiwan
2009-2010 Assistant Professor, school of medicine, Chang Gung University, Taiwan
2009-2016 Physician scientist, Chang Gung Memorial Hospital, Taiwan
2011-2016 Associate Professor, Chang Gung Memorial Hospital& school of medicine, Chang Gung
University, Taiwan
2011-present Director of drug hypersensitivity clinical and research center, Chang Gung Memorial Hospital, Taiwan
2015-present Professor, Chang Gung Memorial Hospital& school of medicine, Chang Gung University, Taiwan
2015-present Director of department of dermatology, Chang Gung Memorial Hospital, Taipei, Taiwan
2015-present Director of Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Taiwan
2017-present Vice Superintendent of Chang Gung Memorial Hospital, Xiamen