The Proving Ground Story
Coach Ruben Vargas is a black belt who has been part of the Jiu-Jitsu and MMA community since 2005. Our school is affiliated with Ares BJJ under world-class black belts and world champions.
We offer a Family Oriented environment while maintaining a competition driven style of training.
We offer multiple classes in The GI and No-Gi Jiu-Jitsu. We also provide Kickboxing, Boxing, MMA, and Wrestling as well.
Coach Ruben's family including his wife (Veronica), and two children (Kingston and Irie) train and compete alongside the team.
Our Core Values
Everything we do is guided by four principles that define who we are — on and off the mat.
Discipline
Consistency over intensity. We show up, do the work, and trust the process — every single day.
Respect
We honor our training partners, our coaches, and our tradition. Ego is checked at the door.
Community
We grow together. Our gym is a family, and every member makes us stronger as a whole.
Excellence
We pursue mastery in everything we do — whether that's technique, character, or service to our community.