| 2014-01 -- 2014-12 | 国際地理オリンピック日本委員会・日本チームのリーダー |
| 2013-07 -- 2013-08 | Member of the Local Organizing Committee, 10th International Geography Olympiad, Kyoto, 30th July - 5th August 2013 |
| 2013-09 -- 2013-09 | Observer of the Japan Earth Science Olympiad Committee member, 7th International Earth Science Olympiad, Mysore, India |
| 2013-09 -- 2013-09 | Sub-Coordinator of the workshop "Advances in new investigation methodology on large scale sediment discharge", International symposium on sediment disasters under the influence of climate change and tectonic activity (3rd), Kyoto, September 26-27 |
| 2013-05 -- (現在) | 地学オリンピック日本委員会委員 |
| 2013-06 -- (現在) | 国際地理オリンピック日本委員会・日本実行委員 |