Kemail Verhoeven is owner and head instructor at Renzo Gracie Holland. He has trained under and with the following persons: Renzo Gracie, Rolles Gracie, Igor Gracie, Gregor Gracie, John Danaher, George and Charles Sernack "Silver Fox" Pravec. Kemail has a versatile martial arts background: Brazilian Jiu-Jitsu, boxing, kickboxing and MMA. His passion is training and coaching of his students.

Kemail is a third degree Brazilian Jiu-Jitsu black belt.