- Conference on Computability, Complexity and Randomness (Invited), Singapore, June 2014.
- Thirteenth Asian Logic Conference, Sun Yat-Sen University, Guangzhou, September 2013.
- Summer School in Logic, Institute for Mathematical Sciences, National University of Singapore, Singapore, 2008 - 2013, and Academy of Mathematics and Systems Science, Beijing, China, 2008 and 2009.
- Asian Initiative for Infinity, Institute for Mathematical Sciences, National University of Singapore, 2010, 2011 and 2012.
- Seoul Model Theory Spring School, Yonsei University, South Korea, May 2010.