Frank Petrosillo is one of our Black Belt Professors here at Renzo Gracie Denville. Frank has been training Brazilian Jiu-Jitsu for over 8 years and coaches some of our afternoon classes. Professor Frank is proof that Brazilian Jiu-Jitsu works well for smaller guys. Although he is only around 150 pounds, he uses his technique and tenacity to defeat bigger guys on the mat. Frank is an engineer by profession, and the mindset necessary to be a successful engineer shows in his training on the mat. He teaching and training is so precision and calculated, he is one of our most skilled martial artists; and are happy to have him a part of our team teaching classes.