l Adjunct Assistant Professor, Chung Hua University Department of Civil Engineering.(2012~now)
l Director General, Railway Reconstruction Bureau, Ministry of Transportation and Communications Southern Region Engineering Office. (2015~now)
l Director General, Railway Reconstruction Bureau, Ministry of Transportation and Communications Central Region Engineering Office.(2012~2015)
l Deputy Director General, Railway Reconstruction Bureau, Ministry of Transportation and Communications Central Region Engineering Office. (2011~2012)
l Senior Engineer, Railway Reconstruction Bureau, Ministry of Transportation and Communications.(2009-2011)
l Section Chief, Railway Reconstruction Bureau, Ministry of Transportation and Communications.(1996-2009)
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