• Visiting scholar, Department of Pharmacology & Neuroscience, The University of North Texas Health Science Center at Fort Worth (2006-2007). • Assistant/Associate Professor, Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University (2007.08-2013.07). • Director, Center for Resources, Research & Development, Kaohsiung Medical University (2010.08-2011.07). • Director, College of Health Sciences (2013.08-2014.07, 2015.08-2016.07)

Proteomics, Bioinformatics, Cancer research, Molecular imaging Nuclear medicine, Drug control release