MRC conference on tropical and non-archimedean analytic geometry, Park City Utah, 06/2013;
MIT-RTG mirror symmetry workshop, Big Bear Lake California, 05/2013;
Texas algebraic geometry seminar, University of Texas at Austin, 04/2013;
Graduate student workshop on moduli spaces and Bridgeland stability, University of Illinois at Chicago, 03/2013;
Clay Math Institute summer school on resolution of singular algebraic varieties, Obergurgl Austria, 06/2012;
Texas algebraic geometry seminar, Texas A&M University, 04/2012;
Park City Math Institute workshop and summer school on moduli spaces of Riemann surfaces, Park City Utah, 07/2011;
String mathematics conference, University of Pennsylvania, 06/2011;
Texas algebraic geometry seminar, Rice University, 04/2011;
Compact moduli and vector bundles conference, University of Georgia, 10/2010;
School on birational geometry and moduli spaces, University of Utah, 06/2010;
Texas algebraic geometry seminar, University of Texas at Austin, 04/2010;
Texas algebraic geometry seminar, Texas A&M University, 05/2009;
NSF-CBMS conference on tropical geometry and mirror symmetry, Kansas State University, 12/2008;
Texas algebraic geometry seminar, Rice University, 04/2008;
Representation of quivers, singularity and Lie theory, Chinese Academy of Sciences, 09/2006;
Workshop and summer school on Lie theory and representation theory, East China Normal University, 07/2006;
Summer school on representation theory, Tsinghua University, 08/2005;
Summer school on mathematical physics, University of Science and Technology of China, 07/2005;
International Asia-Link conference on algebras and representations, Beijing Normal University, 05/2005;
Ninth Chinese national conference on algebras, Huangshan China, 10/2004