| Chai Sirisute | |
|---|---|
| Born | October 16, 1948 |
| Other names | "Ajarn Chai" |
| Nationality | Thai |
| Style | Muay Thai |
| Stance | Orthodox |
| Team | WTBA |
| Occupation | Muay Thai Coach |
Surachai Sirisute (Thai: สุรชัย ศิริสูตร์, born October 16, 1948), commonly known as Chai Sirisute or Ajarn Chai, is a Thai martial arts Instructor who is the founder and president of the Thai Boxing Association of the US and responsible for introducing Muay Thai to the United States. Born in Bangkok Thailand, Sirisute started training Muay Thai at the age of 4.[1]