| 2022. 3. ~ Present |
Education Core Committee of the WFN |
| 2022. 3. ~ Present |
WCN 2025 준비위원회 위원장 |
| 2021. 8. ~ Present |
MDS-AOS Task Force |
| 2019. 9. ~ Present |
Nominating committee, MDS |
| 2018. 7. ~ Present |
Scientific Committee member, MDS International Congress 2019-23 |
| 2017. 6. ~ 2019.10. |
Chair, MDS-AOS |
| 2017. 4. ~ 2019. 9. |
World Congress of Neurology 2019 Congress Organizing Committee member |
| 2016. 8. ~ 2021. 3. |
President, AOAN (Asian and Oceanian Association of Neurology) |
| 2016. 7. ~ 2020. 7. |
Scientific Committee member IAPRD 2017 |
| 2016. 6. ~ 2018. 7. |
Scientific Committee co-chair, MDS International Congress 2018 |
| 2015. 6. ~ 2017. 6. |
Chair-elect, MDS-AOS |
| 2015. 1. ~ 2016. 7. |
Scientific Committee co-chair, AOCN 2016 |
| 2015. 1. ~ 2016. 7. |
Scientific Committee co-chair, AOCN 2016 |
| 2013.10. ~ 2017. 9. |
World Congress of Neurology 2017 Scientific Committee member |
| 2013.10. ~ 2016. 3. |
World Federation of Neurology Standards and Evaluations committee member |
| 2013. 7. ~ 2020. 7. |
International Executive Committee member, MDS |
| 2013. 6. ~ 2016. 7. |
Vice-President, Asian-Oceanian Congress of Neurology (AOAN) |
| 2012.10. ~ Present |
Steering Committee member, Geo-PD |
| 2011. 7. ~ 2016. 6. |
Finance Committee member, MDS |
| 2010. 7. ~ 2013. 6. |
Executive Committee member, MDS-Asian Oceanian section (MDS-AOS) |
| 2010. 1. ~ 2011.12. |
President, Korean Movement Disorder Society (KMDS) |
| 2008. 3. ~ 2014. 2. |
International Delegate, Korean Neurological Association |
| 2003. 3. ~ 2005. 2. |
Secretary General, Korean Society for Brain and Neural Sciences |
| 2003. 3. ~ 2005. 2. |
Funds Committee Chair, Korean Society for Brain and Neural Sciences |
| 2002. 3. ~ 2004. 2. |
Secretary General, Korean Neurological Association |
| 2000. 3. ~ 2002. 2. |
Scientific Committee Chair, Korean Neurological Association |
| 2000. 3. ~ 2002. 2. |
Strategy and Planning Committee Chair, Korean Neurological Association |
