His most famous students at the moment are UFC fighter Stefan Struve, and professional wrestler Tom Budgen.
He also had an interest in punk rock music, starting a band with his brother, and got a job melting copper in a factory.
After his transition to the acclaimed Mejiro Gym, he started training with seven time muay thai world champion Rob Kaman.
In his shot at the WKA World title against Zijo Poljo, Schreiber crushed his left ankle in the third round.
He fought notable opponents like Heath Herring, Wanderlei Silva, Semmy Schilt and Igor Vovchanchyn and made three appearances in Pride FC.