Jeff Glover

The Tornado of Jiu-Jitsu

Jeff Glover needs no introduction in the BJJ world. But he gives you one anyway. “This man is the tornado of Jiu-Jitsu. Check him out. My name is Jeff Glover. I am in my 16th year of Jiu-Jitsu. I’ve been in Black Belt for 9 years now.” That opening — equal parts confidence and humor — tells you everything about how Glover teaches. He is deadly serious about technique and completely irreverent about everything else.

Glover is an ADCC veteran and multiple-time medalist who built his reputation not just on winning, but on how he wins. His matches are highlight reels. Donkey guard. Rolling back takes. Inverted attacks that make commentators lose their minds. He is the rare competitor who can submit elite grapplers while making the crowd laugh.

But beneath the showmanship is one of the sharpest technical minds in the sport. Glover does not do random techniques. Every unorthodox attack he throws is set up by a system of entries, angles, and timing that he has refined over more than a decade and a half of competition at the highest level.

The Deep Half Guard Formula

Glover’s signature position is the deep half guard, and his Deep Half Guard Formula on FightScience is the definitive instructional on the subject. This is not a collection of random techniques from underneath. It is a complete positional system — entries, sweeps, back takes, submissions, and defensive recoveries — all organized by the man who made deep half guard famous.

The course starts with fundamentals and builds systematically. Glover’s teaching style is conversational and energetic, but every detail matters. He explains not just what to do, but why it works and when to use it. His instruction has a rhythm to it — technique, context, humor, repetition — that makes complex positions stick in your memory.

One of the standout sequences in the course is his Ryan Hall Killer Deep Half Guard 50-50 combination. As Glover puts it: “I’m going to share with you my Ryan Hall Killer Deep Half Guard 50-50 combination. It’s a little tricky, but it’s one of my favorite moves.” The fact that he names the move after one of the best grapplers alive tells you the level of competition this technique was designed for. This is not academy-level Jiu-Jitsu. This is ADCC-level problem solving.

Why Deep Half Guard Matters

Deep half guard is the great equalizer in Brazilian Jiu-Jitsu. When a bigger, stronger, more athletic opponent is smashing you from top position, deep half guard gives you leverage, sweeps, and submission entries that do not depend on matching their physical attributes. Glover built his competitive career on this principle. He is not the biggest guy in the room. He never was. But from deep half guard, size stops mattering.

The course also covers deep half guard defensively — how to use the position as a recovery point when you are losing a scramble or getting passed. This is the part most instructionals skip. Glover does not skip it because he has been there. In ADCC matches against the best grapplers on the planet, he has used deep half guard to survive, recover, and launch counterattacks that turned losses into wins.

The Personality Behind the Teaching

Glover is one of the few instructors who makes you want to rewatch technique videos. His personality is infectious. He talks to the camera like he is talking to a training partner. He laughs at his own moves. He acknowledges when something is weird or unorthodox — and then shows you exactly why it works anyway.

This is not dry, by-the-numbers instruction. It is a world-class competitor sharing the moves that made him famous, in his own voice, with the energy and humor that made him one of the most beloved figures in the sport.

What You Get

Jeff Glover’s Deep Half Guard Formula is available as part of the FightScience Advanced BJJ Competition System — a $397 bundle containing 5 courses, 181 videos, and over 19 hours of instruction from five world-class BJJ practitioners. Glover’s deep half guard course alone is worth the price of admission for any grappler who wants to add a complete bottom game to their arsenal.

If you have ever been stuck on bottom with no plan, Glover’s system gives you the plan. And it is a fun plan.