- Visiting Scholar, Global Taiwan Institute, USA (2018/02-2018/04)
- Visiting Scholar, East Asian Legal Studies Program, Harvard Law School, USA (2017/08-2018/01)
- Visiting Fellow, Human Rights Program, Harvard Law School, USA (2016/08-2017/07)
- Visiting Scholar, the European Research Center on Contemporary Taiwan – A CCK Foundation Overseas Center (CCKF-ERCCT), University of Tuebingen, Germany (2015/10/28-2015/12/07)
- Postdoctoral Fellow, College of Law, National Taiwan University (2014/09-2015/08; 2016/01-2016/07), worked with Prof. Wen-Chen Chang on the project of the Convergence and Paradox of International Human Rights Law and Constitutional Law in East Asia