| NO | POSITION | DATE | LEVEL | LOCATION |
| 1 | Appointment as Technical Program Committee of International Conference on Geotechnique, Construction Materials and Environment (Geomate) | 2015 | International | Osaka, Japan |
| 2 | Appointment as Member of Geotechnique, Construction Materials and Environment (Geomate) | 2015 | International | Japan |
| 3 | Appointment as Technical Program Committee of International Conference on Geotechnique, Construction Materials and Environment (Geomate) | 2016 | International | Bangkok, Thailand |
| 4 | Appointment as Technical Program Committee of International Conference on Science, Engineering & Environment (SEE) | 2016 | International | Osaka, Japan |
| 5 | Appointment as Technical Program Committee of International Conference on Geotechnique, Construction Materials and Environment (Geomate) | 2017 | International | Japan |
| 6 | Appointment as Technical Program Committee of International Conference on Science, Engineering & Environment (SEE), Tsu City, Mie | 2017 | International | Japan |
| 7 | Appointment as Technical Program Committee of International Conference on Geotechnique, Construction Materials and Environment (Geomate) | 2018 | International | Kuala Lumpur |
| 8 | Appointment as Technical Program Committee of International Conference on Science, Engineering & Environment (SEE), Tsu City, Mie | 2018 | International | Japan |
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