• 2017-2020: Representative, Taipei Representative Office in the European Union and Belgium

• 2016-2017: Deputy Secretary General, National Security Council, Republic of China (Taiwan)

• 2016: Deputy Secretary General, Office of the President, Republic of China (Taiwan)

• 2014-2016: Ambassador to the Republic of Palau

• 2010-2014: Representative, Taipei Representative Office in Ireland

• 2008-2010: Director General, Department of North American Affairs, Ministry of Foreign Affairs, Republic of China (Taiwan)

• 2004-2008: Secretary / Deputy Director / Director, Political Division, Taipei Economic and Cultural Representative Office in the United States

• 2001-2004: Secretary on Home Assignment / Section Chief / Assistant Director General, Department of North American Affairs, Ministry of Foreign Affairs, Republic of China (Taiwan)

• 1998-2001: Second Secretary, Taipei Economic and Cultural Representative Office in the United States

• 1994-1998: Third / Second Secretary, Embassy of the R.O.C. (Taiwan) in the Republic of South Africa/ Taipei Liaison Office in the Republic of South Africa

• 1993-1994: Adjunct Associate Professor, National Taiwan Normal University, Republic of China (Taiwan)

• 1993-1994: Executive Officer, Department of North American Affairs, Ministry of Foreign Affairs, Republic of China (Taiwan)

• 1986-1989: Administrative Officer on Home Assignment / Senior Officer, Department of North American Affairs, Ministry of Foreign Affairs, Republic of China (Taiwan)

• 1985-1986: Administrative Officer, Taipei Representative Office in the United Kingdom

• 1985: Senior Officer, Department of Protocol, Ministry of Foreign Affairs, Republic of China (Taiwan)

• 1984: Research Assistant, Institute of International Relations, National Chengchi University, Republic of China (Taiwan)