Upcoming Events (most recent at bottom)
We would like thank you to Jamco America for joining the Grassroots Summit as a Gold Sponsor!
If you are interested in becoming a sponsor for the Grassroots Summit, find out more here.
Check out all the current sponsors below
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| Geonwoong Yoon | November 12, 2024 ~ April 27, 2025 |
| Sakurai Ryuichi | July 24, 2024 ~ December 5, 2024 |
| Yumi Tsunoda | April 29, 2024 ~ August 15, 2024 |
| Shion Yamazaki | April 15, 2024 ~ May 31, 2024 |
| Ryutaro Kinzo | February 6, 2024 ~ May 31, 2024 |
| Yujin Heo | December 18, 2023 ~ December 12, 2024 |
| KyungYoung (Jenny) Kim | April 10, 2023 ~ November 19, 2023 |
| Christie Jung | March 31, 2023 ~ July 8, 2023 |
| Taira Shimotsuya | February 27, 2023 ~ June 1, 2023 |
| Koki Matsumura | January 23, 2023 ~ March 30, 2023 |
| Harin Park | October 3, 2022 ~ January 20, 2023 |
| Chihiro Matsuo | June 29, 2022 ~ September 2, 2022 |
| Moena Yamakawa | June 29, 2022 ~ August 19, 2022 |
| Jiwoo Jung | April 4, 2022 ~ July 31, 2022 |
| Satoshi Miki | June 2022 |
| Ellen Uchida | April 2021 ~ December 19, 2023 |
| Isami | February 24, 2020 ~ April 3, 2020 |
| Rio | February 3, 2020 ~ February 27, 2020 |
| Daichi | February 3, 2020 ~ February 27, 2020 |
| Tomohiro Ishii | January 2020 ~ February 2020 |
| Naoki Kokubu | November 1, 2019 ~ |
| Randy Un | July 2019 ~ September 2019 |
| Tomomi | July 1, 2019 ~September 13, 2019 |
| Nanami Kikuchi | Aug 7, 2019 ~ August 30, 2019 |
| Chiriko | July 2019 ~ |
| Misako Sato | July 22, 2019 ~ |
| Kana Kitahama | February 6, 2019 ~ April 30, 2019 |
| Aya Ogata | February 1, 2019 ~ February 26, 2019 |
| Yuno Tanifuji | January 28, 2019 ~ March 30, 2019 |
| Shari Monson | October 2018 ~ February 2019 |
| Midori Nakano | August 16, 2018 ~ August 31, 2018 |
| Hiroki Ishii | June 26, 2018 ~ August 31, 2018 |
| Yuka Muroi | February 7, 2018 ~ March 2, 2018 |
| Lee Hyung Woo | February 2018 ~ June 2018 |
| Nao Miyamoto | January 28, 2018 ~ April 1, 2018 |
| Hitomi Kase | January 2018 ~ |
| Ryoko Yamamoto | October 11, 2017 ~ |
| Raymond Sim | October, 2017 ~ |
| Chihiro Kurokawa | October 9, 2017 ~ December 1, 2017 |
| Tomomi Tsukada | August 25, 2017 ~ September 13, 2017 |
| Shohgo Miura | July 6, 2017 ~ |
| Jumpei Asakura | End of February 2017 - Mid-March 2017 |