• 2024- : Deputy Trade Representative, Office for Trade Negotiations,Executive Yuan, Republic of China (Taiwan)

• 2023-2024: Senior Deputy Executive Director, Taiwan WTO and RTA Center,Chung-Hua Institution for Economic Research (CIER), Republic of China (Taiwan)

• 2023-2024: Director, Economic Law Research Center, CIER, Republic of China (Taiwan)

• 2021-2023: Deputy Executive Director, Taiwan WTO and RTA Center, CIER,Republic of China (Taiwan)

• 2015-2024: Associate Research Fellow, Taiwan WTO and RTA Center, CIER,Republic of China (Taiwan)

• 2024: Member, Advisory Committee, Straits Exchange Foundation, Republic of China (Taiwan)

• 2020-2024: Member, Legal Affairs Committee, Ministry of Economic Affairs,Republic of China (Taiwan)

• 2015-2023: Deputy Director, Economic Law Research Center, CIER, Republic of China (Taiwan)

• 2012-2024: Member, Tariff Rate Committee, Ministry of Finance, Republic of China (Taiwan)

• 2008-2024: Assistant Professor, Department of Law, National Taipei University, Republic of China (Taiwan)

• 2018-2020: Member, Legal Affairs Committee, Ministry of Culture, Republic of China (Taiwan)