Auditor, National Audit Office (07/17/1990-05/16/1997)
Auditor/Section Chief, National Audit Office (05/16/1997-01/31/1999)
Senior Auditor/Section Chief, National Audit Office (01/31/1999-01/16/2007)
Senior Auditor/Deputy Director, National Audit Office (01/16/2007-01/16/2008)
Assistant Auditor-General/Director, National Audit Office (01/16/2008-10/25/2013)
Deputy Auditor-General, National Audit Office (10/25/2013-07/31/2020)
Member, Laws and Regulations Committee, Directorate General of Budget, Accounting and Statistics of the Executive Yuan (2007-12/31/2015)
Member, Clean Politics Advisory Committee, Agency Against Corruption, Ministry of Justice (10/01/2011-08/31/2019)
Member, CPA Disciplinary Rehearing Committee (01/01/2016-07/31/2020)
Member, Auditing Standards Committee, Accounting Research and Development Foundation (01/27/2016-07/31/2020)