Service

Feb. 2022 ~ Jul. 2023 Dean of Students Affairs

Feb. 2022 ~ Jul. 2023 Dean of Residence Hall

Jan. 2023 ~ Current An Editor of <Journal of Educational Research in Mathematics >

Aug. 2024 ~ Current Director of Curriculum Division

Aug. 2022 ~ Aug. 2024 Director of Business

Aug. 2020 ~ Aug. 2022 Director of  Public Relations

Aug. 2018 ~ Aug. 2020 Auditor

Jan. 2021 ~ Current An Academic Director

Mar. 2021 ~ Feb. 2025 An Editor of <Journal of Elementary Mathematics Education in Korea>

Mar. 2019 ~ Feb. 2023 Director of Operations

Jan. 2019  ~ Current An Editor of <Journal for Philosophy of Mathematics Education>

Jun. 2019 ~ Current A Member of The Advisory Committee