Keiichiro Koyama 小山 慶一郎 | |
|---|---|
| Also known as | Kei-chan (K-chan), Keii-chan, Koyamacchi |
| Born | 1 May 1984 Sagamihara, Kanagawa, Japan |
| Origin | Tokyo, Japan |
| Genres | J-pop |
| Occupations |
|
| Instrument | Vocals |
| Years active | 2001–present |
| Spouse | |
| Website | Official site starto |
Keiichiro Koyama (小山 慶一郎, Koyama Keiichirō, born 1 May 1984) is a Japanese musician and leader[1] of the Starto Entertainment group NEWS.