Aparecido Faria, Professor Bill , is a 2X Brazilian Jiu-Jitsu World Champion and 5X Brazilian Jiu-Jitsu National Champion. He began training in Brazil at the age of 7. He is currently a 3rd degree Black Belt under Carlos Gracie Jr. and the head instructor at Gracie Barra Rohnert Park in Northern California.
20 chokes, including lapel chokes, collar chokes and arm triangles.