His overall experience in Muay Thai training totals twenty-seven years. In 1998, after seven long years of Muay Thai training under ajarn Surachai Sirisute, Kru Pedro left the U.S. to embark upon a mission to train under Thailand's best Muay Thai masters. Over the course of his journey, he trained at forty-four different Muay Thai camps. From these camps -- each uniquely possessing valuable attributes and insights into Muay Thai practice -- Kru compiled the best training methods and fighting techniques distinctive to those camps.