Chatri Sityodtong
| Chatri Sityodtong | |
|---|---|
| Born | Chatri Trisiripisal 1971 (age 53–54) Thailand |
| Native name | ชาตรี ศิษย์ยอดธง |
| Height | 5 ft 10 in (1.78 m) |
| Weight | 170 lb (77 kg; 12 st 2 lb) |
| Style | Muay Thai, Brazilian Jiu-Jitsu |
| Rank | Kru in Muay Thai Black belt in Brazilian Jiu-Jitsu under Renzo Gracie |
| Other information | |
| University | Tufts University (BA) Harvard Business School (MBA) |
| Website | yodchatri.com |
Chatri Trisiripisal (Thai: ชาตรี ตรีศิริพิศาล, RTGS: Chatri Trisiriphisan), known by the ring names Chatri Sityodtong (Thai: ชาตรี ศิษย์ยอดธง, RTGS: Chatri Sit-yotthong) and Yodchatri Sityodtong (Thai: ยอดชาตรี ศิษย์ยอดธง, RTGS: Yotchatri Sit-yotthong), is a Thai entrepreneur and martial arts instructor based in Singapore.
He is best known for being the founder, chairman, and chief executive officer of Singapore-based combat sports promotion ONE Championship. He is also the star of The Apprentice: ONE Championship Edition.