International Conference of the Honam Mathematical Society, GIST, Jun 2025

KMS Spring Meeting, KAIST, South Korea, Apr 2025

JNU Math Colloquim, Chonnam National University, South Korea, Apr 2025

The 20th East Asian Conference on Geometric Topology, Tokyo University,  Japan, Feb 2025

The 8th KIAS Alumni Workshop in Mathematics, KIAS, South Korea,  Dec 2024

Topology and Computer 2024, Yokohama National University, Japan, Sep 2024

Geometry Seminar, Texas A&M University, USA, Mar 2024

Geometry Seminar at YMSC, Tsinghua University, China, Nov 2023

Virtual Seminar on Geometry and Topology, KIAS, South Korea, Oct 2023

KMS Annual Meeting,  Seoul National University, South Korea, Oct 2023

Moscow--Beijing Topology Seminar,  Online, Aug 2023

The 18th East Asian Conference on Geometric Topology,  Online, Feb 2023

Arithmetic and Topology at SUSTech, Online, Dec 2022

Mathematical Colloquium at Tomsk State University, Online, Jul 2022

KMS Annual Meeting,  Online, Oct 2021

The 3rd JNU-KAIST Geometric Topology Fair: Introductory lectures, Online, Oct 2021

Australian Geometric Topology Webinar, Online, Apr 2021

The 16th East Asian Conference on Geometric Topology, Online, Jan 2021

The First Korea-Russia Conference on Knot theory and Related topics,  Online, Nov 2020

KMS Annual Meeting,  Online, Oct 2020

Winter Braids X, Pisa, Italy, Feb 2020

The 15th East Asian Conference on Geometric Topology, Kyoto University, Japan, Feb 2020

The 3rd Pan-Pacific International Conference on Topology and Appl., Chengdu, China, Nov 2019

KMS Annual meeting,  Hongik University, South Korea, Oct 2019

The 2nd q-Day: q-series and related topics, KIAS, South Korea, Aug 2019

East Asian Core Doctoral Forum on Mathematics, Tohoku University, Japan, Jan 2019

The 10th KOOK-TAPU joint seminar, Busan, South Korea, Jul 2018

International Conference of Honam-Youngnam Math. Soc., Jeju, South Korea, Jul 2018