Robert "Bob" Schrijber, is a Dutch former mixed martial artist and kickboxer, his most famous student at the moment is which UFC fighter, a Dutch mixed martial artist who competes as a heavyweight in the UFC?
Bob Schrijber:  His most famous student at the moment is UFC fighter Stefan Struve. Stefan Struve: Stefan Jaimy Struve ( ; born February 18, 1988) is a Dutch mixed martial artist who competes as a heavyweight in the Ultimate Fighting Championship (UFC).
Stefan Struve