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| 2005.8-Present | Assistant Professor, Department of Industrial Engineering & Management, Yuan Ze University |
| 2004-2005 | Secretary, Third Directorate, the Executive Yuan, Taipei, Taiwan |
| 2001-2003 | T.A. & R.A., Construction Engineering and Management Program, Civil Engineering Department, Purdue University |
| 1995-2004 | Engineer, Construction Engineering and Management Department, Public Construction Commission, the Executive Yuan, Taipei, Taiwan |
| 1994-1995 | Assistant Researcher, Public Construction Supervisory Board, the Executive Yuan, Taipei, Taiwan |