Director-General, Water Resources Agency, Ministry of Economic Affairs, Taiwan, R.O.C., October 2009 – January 2015
Deputy Director-General, Water Resources Agency, Ministry of Economic Affairs, Taiwan, R.O.C., December 2005 – October 2009
Chief Engineer, Water Resources Agency, Ministry of Economic Affairs, Taiwan, R.O.C., October 2003 – December 2005
Director of Central Regional Water Resources Office, Water Resources Agency, Ministry of Economic Affairs, Taiwan, R.O.C., February 2001 – October 2003