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| 2022.8-Present | Professor and Chair, Department of Industrial Engineering & Management, Yuan-Ze University,Taiwan, R.O.C. |
| 2016.8-2022.1 | Deputy Dean of Academic Affairs, Yuan Ze University, Taiwan |
| 2009-Present | Professor, Department of Industrial Engineering, Yuan-Ze University,Taiwan, R.O.C. |
| 2005-2009 | Associate Professor, Department of Industrial Engineering, Yuan-Ze University,Taiwan, R.O.C. |
| 2000-2005 | Assistant Professor, Department of Industrial Engineering and Management, Yuan-Ze University. |
| 1999-2000 | Assistant Professor, Department of Information Management, Nan-Hua University |
| 1997-1998 | Computer Users Consultant, Information and Access Technology Services, University of Missouri-Columbia |
| 1996-1997 | Computer Lab Assistant, Campus Computing, University of Missouri-Columbia |
| 1995-1999 | Teaching Assistant&Research Assistant, Industrial Engineering, University of Missouri-Columbia |