＞Director, Office of Student Affairs, University of Taipei

＞Director, Office of Academic Affairs, University of Taipei

＞Dean, College of Science, University of Taipei

＞Chair, Department of Applied Physics and Chemistry, University of Taipei

＞Professor, Department of Applied Physics and Chemistry, University of Taipei

＞Associate Professor, Department of Applied Physics and Chemistry, University of Taipei

＞Assistant Professor, Department of Applied Physics and Chemistry, University of Taipei

＞Full-time Assistant Professor, Tatung University

＞Principal Engineer, R&D Center, TSMC

＞Head, R&D Division, Optimax Technology Corporation

＞Researcher, Chemical Engineering Division, Industrial Technology Research Institute