Accepting 2 New Clients

Dominate
The Mats.

The bridge between "good" and "elite." Fix the holes in your game, prevent burnout, and compete with absolute confidence.

10+ Years Exp β€’ World Competitor β€’ Proven Results
William McCarthy at Worlds
Black Belt Lineage: Gabriel Gonzaga
Top 12 World Rank (2024)
Pan Ams Medalist
S&C Certified Expert
The Problem

Are You Stuck on a
Plateau?

The Technician

You know the moves, but you keep getting smashed by stronger, more athletic opponents. You need an engine.

The Grinder

You train hard every day but aren't seeing progress. Your body hurts, you're constantly nursing injuries, and you feel burned out. You need a system.

The Competitor

You win local comps but struggle at majors. You need high-level strategy and frame-by-frame analysis to fix the invisible errors.

The Methodology

Complete System
Integration

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Video Analysis

Frame-by-frame breakdown of your rolling footage. We find the invisible errors that are getting you swept.

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S&C Programming

Grappling-specific lifting. Increase horsepower and grip strength without ruining your recovery.

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A-Game Strategy

Developing a systematic flowchart of attacks that funnels opponents into your strongest positions.

Proven Results

The Standard
We Set

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"I was popping my ribs every month trying to muscle out of bad positions. Will's S&C fixed my imbalances, and his framing details stopped me from getting crushed. Haven't missed a class in 6 months."

J
James T. White Belt (Executive)
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"I work 60 hours a week. I don't have time to figure this out by trial and error. Will's system is like a cheat code. I'm tapping blue belts who have been training twice as long as me."

M
Marcus L. White Belt (30s)
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"I was stuck at Blue Belt for 3 years. My guard kept getting passed by heavy pressure passers. The video analysis exposed a grip detail I was missing. My retention is impassable now."

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Sarah J. Blue Belt
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"I needed that extra 1% for Masters Worlds. We built a flowchart that funnels opponents into my A-Game leg entanglements. It’s not just coaching; it’s high-level strategic engineering."

R
Ryan K. Brown Belt
Will McCarthy and Gabriel Gonzaga

Heritage: Receiving Black Belt from UFC Legend Gabriel Gonzaga

Meet The Coach

William
McCarthy

I am a Brazilian Jiu-Jitsu Black Belt under Gabriel Gonzaga. My competitive career includes the IBJJF World Championships in Las Vegas, where I achieved a Top 12 World Ranking (Brown Belt, 2024).

I don't build "tough guys" who break in 6 months. I combine high-level technical instruction with professional Strength & Conditioning principles to build smart, dangerous, and durable athletes who win consistently.

Direct Lineage
Carlos Gracie | Helio Gracie | Rickson Gracie | Jorge Pereira | Wander Braga | Gabriel Gonzaga β†’ William McCarthy
Application Only

Ready to Level Up?

Complete the profile below. I review every application personally.

01. Athlete Profile

02. Goals & Status

100% Confidential β€’ Performance Focused

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