Takaharu Ooi
| Name | Takaharu Ooi |
|---|---|
| Birth | March 17, 1972 |
| Age | 53 |
| Primary Occupations | |
| Hometown | Tokyo |
Professional mahjong player, leader of the association, Real Mahjong Unit (RMU). He is also a member of the M.League team Shibuya Abemas.
(Source: Riichi Wiki, edited)