2018~2020
Director, Multilateral Division, Bureau of Foreign Trade, Ministry of Economic Affairs
2015~2018
Deputy Director, Economic Division, Taipei Economic and Cultural Representative Office in the European Union
2013~2014
Executive Secretary, Economic Division, Taipei Economic and Cultural Representative Office in the United States
2009~2012
1st Secretary, Office of Trade Negotiation, Ministry of Economic Affairs
2003.08~2009
1st Secretary, Permanent Mission of the Separate Customs Territory of Taiwan Penghu, Kinmen And Matsu to the World Trade Organization
2001~2003
Officer, Free Trade Agreement Taskforce, Bureau of Foreign Trade, Ministry of Economic Affairs
1998~2001
2nd Secretary, Economic Division, Taipei Economic and Cultural Representative Office in the United States
1993~1998
Officer, Ministry of Economic Affairs