- 2021/07 - 現在 環境省・オゾン層保護に関する検討会・科学分科会・委員
- 2018/02 - 現在 WCRP Task Team for Intercomparison of ReAnalyses (TIRA) Co-chair
- 2016/10 - 現在 WCRP Task Team for Intercomparison of ReAnalyses (TIRA) Member
- 2016/09 - 現在 International Ozone Commission (IO3C) Member
- 2014/04 - 現在 JMA long-term reanalysis committee Member
- 2011/06 - 現在 WCRP SPARC Reanalysis Intercomparison Project (S-RIP) Co-lead
- 2010 - 現在 GRUAN Task Team Radiosonde Co-chair
- 2007/12 - 現在 Meteorological Society of Japan "Tenki" editor for Hokkaido region
- 2007/03 - 現在 Science Council of Japan IGBP-WCRP-DVERSITAS committee, SPARC subcommittee Member
- 2006/08 - 現在 GCOS/AOPC, Working Group on GRUAN (former WG on Atmospheric Reference Observations, renamed in 2012) Member
- 2006/07 - 2022/12 Meteorological Society of Japan Journal of the Meteorological Society of Japan (JMSJ), editorial board member
- 2017 - 2020/07 Assessment of Operating Procedures for Ozone Sondes (ASOPOS) 2.0 Panel Member
- 2011/07 - 2019 International Commission on the Middle Atmosphere (ICMA) Member
- 2016/07 - 2017 Scientific Steering Committee of the Ozone Data Quality Assessment (O3S-DQA) and the Jülich Ozone Sonde Intercomparison Experiment (JOSIE) Member
- 2004/04 - 2008/03 Meteorological Society of Japan Hokkaido branch, secretary
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Japan Geoscience Union
, The Japan Society of Atmospheric Chemistry
, American Meteorological Society
, Meteorological Society of Japan
, American Geophysical Union