He is a Distinguished Professor and Chairman of the top aerospace engineering program in Taiwan, Department of Aeronautics and Astronautics, National Cheng Kung University (2010-2016). He served as President of Astronautics and Astronautics Society of Taiwan (AASRC) (2012-2014), which is a full member of International Astronautical Federation (IAF). His research topics cover Stirling engines, fuel cells, thermo-electric devices, and inverse heat transfer theory. He published more than 450 papers, including 150 technical journal papers and 300 conference papers, and 35 patents.