| Learning association association activity |
| No. | Activity type | Learning association association name | Committee name etc | Position title | Fiscal year of activity |
| 1 | administration | The Japanese Geotechnical Society, Kanto Branch | Research Committee Group | observer | 2023 - NOW |
| 2 | Research committee | The Japanese Geotechnical Society, Kanto Branch | Research Committee on Development and utilization of "Gross National Safety Index for Natural Disasters" | chair | 2021 - NOW |
| 3 | administration | JSCE | Ethics and Social Code Committee | secretary-general | 2020 - NOW |
| 4 | Research committee | The Japan Society of Civil Engineers | The committee of Slope Engineering | Committee Chair | 2020 - NOW |
| 5 | administration | The Japanese Geotechnical Society, Kanto Branch | Steering Committee | menber | 2019 - 2023 |
| 6 | administration | The Japanese Geotechnical Society, Kanto Branch | Research Committee Group | chair | 2019 - 2022 |
| 7 | administration | The Japanese Geotechnical Society | Department of Survey and Research | member | 2017 - 2017 |
| 8 | Research committee | The Japanese Geotechnical Society, Kanto Branch | Research Committee on Development and utilization of "Gross National Safety Index for Natural Disasters" | chair | 2017 - 2020 |
| 9 | administration | The Japanese Geotechnical Society | Department of Survey and Research | member | 2015 - 2016 |
| 10 | Research committee | Japan Society of Landslide | Technical Committee for landslide evaluation using monitoring technique | member | 2015 - 2017 |
| 11 | administration | The Japanese Geotechnical Society | Department of Survey and Research | member | 2014 - 2015 |
| 12 | Edit | The Japan Construction Occupational Safety and Health Association | proposal meeting for labour accident prevention about the great east japan earthquake | member | 2014 - 2014 |
| 13 | Edit | The Japanese Geotechnical Society | The committee of Japanese Geotechnical Journal | vice chairperson | 2014 - 2017 |
| 14 | Research committee | The Japanese Geotechnical Society, Kanto branch | Kanto branch, The committee of Geotechnical risk and social system | vice chairperson | 2013 - 2016 |
| 15 | Edit | The Japanese Geotechnical Society | The committee of Japanese Geotechnical Journal | member | 2012 - 2014 |
| 16 | Edit | The Japan Construction Occupational Safety and Health Association | committee of making textbook for slope failure prevention | member | 2012 - 2013 |
| 17 | Edit | The Japanese Geotechnical Society | Department of Editing & Publishing | chief secretary | 2012 - 2013 |
| 18 | administration | Georisk society | Steering committee | member | 2011 - NOW |
| 19 | Edit | The Japanese Geotechnical Society, Kanto branch | Kanto branch, Event committee | secretary | 2011 - 2014 |
| 20 | administration | The Japanese Geotechnical Society | representative | representative | 2011 - 2014 |
| 21 | administration | The Japanese Geotechnical Society, Kanto branch | Kanto branch, Research committee | chief secretary | 2010 - 2014 |
| 22 | Edit | The Japan Construction Occupational Safety and Health Association | slope failure prevention committee | member | 2010 - 2011 |
| 23 | Edit | The Japan Construction Occupational Safety and Health Association | Fall Prevention committee | member | 2010 - 2011 |
| 24 | administration | The Japanese Geotechnical Society, Kanto branch | Kanto branch, Research committee | vice chief secretary | 2009 - 2010 |
| 25 | administration | The Japanese Geotechnical Society | Department of Membership and Branch Affairs | member | 2008 - 2011 |
| 26 | Research committee | The Japanese Geotechnical Society, Kanto branch | Kanto branch, The committee of Geotechnical risk management | secretary | 2008 - 2012 |
| 27 | Research committee | The Japan Society of Civil Engineers | The committee of Slope Engineering | member | 2005 - 2019 |
| 28 | Research committee | The Institute of Noise Control Engineering of Japan | Technical subcommittees of Road Traffic Vibration Estimation | member | 2004 - 2015 |
