- "Characterization of forbidden subgraphs for bounded star chromatic number", The 3rd Xi'an International Workshop on Graph Theory and Combinatorics, Xi'an, China, May 2018
- "On tournaments with large chromatic number", The 86th KPPY Combinatorics Workshop, Busan University, Korea, May 2018
- "Variants of Woodall's conjecture", Korea-Japan Workshop on Algebra and Combinatorics, Yeungnam University, Korea, Feb 2018
- "Coloring digraphs having no two block cycles", Structure in Graphs and Matroids (SiGMa), Waterloo, ON, Canada, Jul 2017
- "Coloring digraphs containing no cycles with two blocks", The 6th biennial Canadian Discrete and Algorithmic Mathematics Conference (CanaDAM), Toronto, ON, Canada, Jun 2017
- "Coloring digraphs with no two-block cycles", Binghampton University, Binghampton, NY, USA, Apr 2017
- "Cycles with two blocks in k-chromatic digraphs", University of Waterloo, Waterloo, ON, Canada, Mar 2017
- "Domination in tournaments", Technische Universität Berlin, Berlin, Germany, Oct 2016
- "Unavoidable tournaments in tournaments with large chromatic number", Southern Italian Workshop on Algorithms and Graphs, Bari, Italy, Sep 2016
- "Unavoidable tournaments in tournaments with large chromatic number", KAIST, Daejeon, Korea, Aug 2016
- "Unavoidable tournaments in tournaments with large chromatic number", Ajou University, Suwon, Korea, Aug 2016
- "Domination in tournaments", Combinatorics Workshop, KAIST, Daejeon, Korea, Jul 2016
- "Unavoidable tournaments in tournaments with large chromatic number", NIMS, Daejeon, Korea, Jul 2016
- "Tree-chromatic number is not equal to path-chromatic number", Combinatorics Workshop, NIMS, Daejeon, Korea, Jul 2015
- "A Ramsey-Type Theorem for Tournaments without Homogeneous Sets", Konkuk University, Seoul, Korea, Jul 2015
- "Perfect graph & χ-boundedness", Summer Workshop for Young Mathematicians in Korea, KAIST, Daejeon, Korea, Aug 2011
- "The Search Number", Mini-Conference, Freie Universitä t, Berlin, Germany, Aug 2010