Adjunct Professor of Law, National Taiwan University College of Law (Nov. 2016-present)
Professor of Law (Aug. 2004-Oct. 2016), Associate Professor (Aug. 1996-Jul. 2003), Lecturer (Aug. 1995-Jul. 1996), National Taiwan University College of Law
Visiting Professor of Law, Kyushu University, Japan (Jul.-Sep. 2016)
Vice Dean & Director of Graduate Institute of Interdisciplinary Legal Studies, National Taiwan University College of Law (Aug. 2012-Jul. 2015)
Member, Central Election Commission of Executive Yuan (Jun. 2001-Jul. 2007)
Associate Attorney, Formosa Transnational Attorneys at Law (Sep. 1988-Jun. 1990)