- 2025 plenary talk at EUROCOMB, Hungary, Aug 2025
- 2025 ICBS International Congress of Basic Science, China, Jul 2025
- 2024 9th European Congress of Mathematics, Spain, Jul 2024
- 2024 SoCG Symposium on Computational Geometry, Greece, Jun 2024
- 2022 annual spring meeting of the Korean Mathematical Society, Apr 2022
- Combinatorics Seminar @ Georgia Institute of Technology, USA, Apr 2022
- Combinatorics Seminar @ Umeå universitet, Sweden, Feb 2022
- Combinatorics Seminar @ Koc University, Turkey, Feb 2022
- IBS Combinatorics Workshop @ Yangpyeong, Dec 2021 VIDEO
- Combinatorics Seminar @ Konkuk University, South Korea, Nov 2021
- Combinatorics seminar @ Graz University of Technology, Sep 2021
- Minisymposium @ 8th European Congress of Mathematics, Jun 2021
- Seminar @ Freie Universitat Berlin, Germany, May 2021
- Colloquium @ KAIST, South Korea, May 2021
- Korean Mathematical Society 2021 Spring meeting, South Korea, Apr 2021
- Extremal and Probabilistic Combinatorics Webinar, Feb 2021
- SCMS Combinatorics Seminar @ Shanghai Center for Mathematical Sciences, China, Jan 2021
- Combinatorics Seminar @ University of Warwick, UK, Dec 2020
- Combinatorics Seminar @ Institute for Basic Science, South Korea, Dec 2020 VIDEO
- Colloquium @ University of Warwick, UK, Oct 2020
- Mini-course on topics in probabilistic combinatorics @ KAIST, South Korea, Oct 2020 VIDEO
- Summer Course @ Shandong University, China, Aug 2020 VIDEO
- Combinatorics Literature Seminar @ University of Illinois at Urbana Champaign, USA, Jul 2020
- Lectures at SCMS Combinatorics Seminar @ Shanghai Center for Mathematical Sciences, China, May 2020 VIDEO
- Combinatorics Seminar @ Institute for Basic Science, South Korea, May 2020 VIDEO
- Combinatorics Seminar @ KAIST, South Korea, Dec 2019
- Combinatorics Seminar @ Institute for Basic Science, South Korea, Aug 2019 VIDEO
- Summer Course @ Shandong University, China, Aug 2019 VIDEO
- Combinatorics Seminar @ Capital Normal University, China, Jul 2019
- Combinatorics Seminar @ Konkuk University, South Korea, Jul 2019
- Combinatorics and topology Seminar @ Universidad de Buenos Aires, Argentina, Apr 2019
- Combinatorics Seminar @ Ewha Womans University, South Korea, Mar 2019
- International Workshop on Graph Theory @ Ewha Womans University, South Korea, Jan 2019
- Combinatorics Seminar @ Institute for Basic Science, South Korea, Dec 2018
- Combinatorics Seminar @ Shandong University, China, Dec 2018
- Combinatorics Seminar @ University of Birmingham, UK, Oct 2018
- Combinatorics Seminar @ Nankai University, China, Sep 2018
- Combinatorics Seminar @ Zhejiang Normal University, China, Sep 2018
- Combinatorics Seminar @ Busan National University, South Korea, Sep 2018
- Combinatorics Seminar @ KAIST, South Korea, Sep 2018 VIDEO
- Summer Course @ Shandong University, China, Jul 2018
- Combinatorics Seminar @ Fuzhou University, China, Jul 2018
- Combinatorics Seminar @ KAIST, South Korea, Apr 2018 VIDEO
- Combinatorics Seminar @ Duksung Women’s University, South Korea, Apr 2018 Combinatorics Seminar @ Incheon National University, South Korea, Apr 2018
- Combinatorics Seminar @ Ajou University, South Korea, Apr 2018
- Combinatorics Seminar @ Shandong University, China, Mar 2018
- International Workshop on Graph Theory @ Ewha Womans University, South Korea, Jan 2018
- Combinatorics Seminar @ KAIST, South Korea, Dec 2017 VIDEO
- Combinatorics Seminar @ Fuzhou University, China, Dec 2017
- Combinatorics Seminar @ Koc University, Turkey, Dec 2017
- Extremal Combinatorics Conference @ University of Warwick, UK, Sep 2017
- Combinatorics Seminar @ Freie Universitat Berlin, Germany, Apr 2017
- Berlin-Poznan seminar on Discrete Mathematics @ Hamburg, Germany, Apr 2017
- Combinatorics Seminar @ University of Warwick, UK, Mar 2017
- Combinatorics Seminar @ Fuzhou University, China, Jan 2017
- Combinatorics Seminar @ Korea Institute for Advanced Study, South Korea, Dec 2016
- Combinatorics Seminar @ University of Science and Technology of China, China, Dec 2016
- Combinatorics Seminar @ Sharif University of Technology, Iran, Sep 2016
- Combinatorics Seminar @ Institute for Research in Fundamental Sciences, Isfahan, Iran, Sep 2016
- Bristol-Oxford Additive Combinatorics meeting @ University of Oxford, UK, July 2016
- Combinatorics Seminar @ Institute for Research in Fundamental Sciences, Tehran, Iran, Jun 2016
- Combinatorics Seminar @ Czech Academy of Sciences, Czech Republic, Apr 2016
- British Mathematical Colloquium @ University of Bristol, UK, Mar 2016
- Combinatorics Seminar @ University of Warwick, UK, Feb 2016
- AMS meeting @ Loyola University Chicago, USA, Oct 2015
- Combinatorics Seminar @ University of Birmingham, UK, Jul 2015
- Random Structure and Algorithm @ Carnegie Mellon University, USA, Jul 2015
- AMS meeting @ University of Nevada, USA, Apr 2015
- Combinatorics Seminar @ Iowa State University, USA, Mar 2015
- AMS meeting @ Michigan State University, USA, Mar 2015
- Combinatorics Seminar @ University of Szeged, Hungary, Jul 2014
- SUMMIT 240 @ Budapest, Hungary, Jul 2014
- Combinatorics Seminar @ ETH, Switzerland, Jun 2014
- SZTE-Novi Sad workshop @ University of Szeged, Hungary, Mar 2014
- Combinatorics Seminar @ University of Szeged, Hungary, Feb 2014
- AMS meeting @ University of Louisville, USA, Oct 2013 VIDEO-1 VIDEO-2
- Combinatorics Seminar @ University of Illinois at Urbana Champaign, USA, Aug 2013
- Combinatorics Seminar @ University of Illinois at Urbana Champaign, USA, Oct 2012
- Midwest Graph Theory Conference @ Iowa, USA, Sep 2012
- Cumberland Conference @ Tennessee, USA, May 2012
- Graduate Student Combinatorics Conference @ University of Illinois at Urbana Champaign, USA, Apr 2012
- Graduate Student Combinatorics Conference @ PennState, USA, Apr 2011
- Midwest Graph Theory Conference @ Detroit, USA, Apr 2010