[2] He was born in Thai Chinese family in Nonthaburi province, upper Bangkok Metropolitan Region.
He competed in the Thailand National Games and won a gold medal in Bantamweight (118 lb) division.
After that, he turned professional and won by knocked out every consecutive six times at Lumpinee Stadium,[1] and he was a boxing partner for Venice Borkhorsor, a WBC & Lineal Flyweight (112 lb) world title holder.
He brought his eldest son, "Pop" Chokchai, to sit on Román's lap and take a photo together.
He often takes him to visit the boxing match often, he has a dream Chokchai in the future will be the first Thai boxer to win the Summer Olympic Games gold medal.