Professional Activities
| 2017-2018 | President, Korean Mathematical Society (KMS) |
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| 2017-2018 | President, Korean Federation of Mathematical Organizations |
| 2017-2018 | Member, Council of Basic Science Societie |
| 2014-2015 | Vice President, Korea Institute of Information Security & Cryptology |
| 2014-2023 | Executive Committee Member, Algorithmic Number Theory Symposium |
Professional Positions
| 2022-Present | Non-Executive Board Member, Institute for Basic Science (IBS) |
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| 2023-2025 | Vice President, Volunteers for Educational Services in Asia |
| 2023-2025 | Auditor, The Korean Federation of Science and Technology Societies) |
| 2022–2024 | Non-Executive Board Member, National Research Foundation of Korea (NRF) |
| 2021–2024 | Board Member, National Research Council of Science & Technology (NST) |
| 2022-2023 | Vice President, Korean Association of University Technology Transfer Offices and Research Affairs |
| 2019-2021 | Member of Excellence Scientist Integrated Evaluation Committee, Ministry of Science and ICT |
| 2018-2019 | Member, Grand Review Committee for the Korea Scientist and Engineer Award |
| 2018-2020 | Expert member, POSCO TJ Park prize, science prize |
| 2015-2018 | Member, Basic Research Advisory Committee, National Science and Technology Advisory Council |
| 2017-2018 | Board member, The Korean Federation of Science and Technology Societies |
| 2014-2017 | Member, Nationality Deliberation Committee, Ministry of Justice |
| 2014-2015 | Board member, Korea Federation of Women’s Science & Technology Association |
| 2014-2015 | Board member, The Association of Korean Woman Scientist and Engineers |
| 2010-2015 | Deputy Chair/Executive Committee Member, Organizing Committee for the 2014 International Congress of Mathematicians (ICM) |
| 2010-2012 | Director, Division of Natural Sciences/Mathematical Sciences, National Research Foundation of Korea (NRF) |
| 2010-2011 | Member, Operations Committee of National Science and Technology Commission |