[1] He won Rajadamnern Stadium champion at welterweight in Muay Thai on January 21, 2001.
He is currently a chief adviser of International Sohgoh Budo Federation (ISBF) and he was certified as black belt of the 5th dan in karate by ISBF.
[2] Kozo Takeda was born in Adachi, Tokyo, Japan on December 27, 1972.
He played rugby when he was in high school, and entered Kokushikan University by recommendation, but dropped out as soon as he watched bouts of Branko Cikatić fight K-1 on television.
He started practicing kickboxing at the Jiseikan Gym in Saitama.