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Carlmichael Leiva

Co-Founder | Head Instructor

Jiu Jitsu black belt under Coach Greg Souders of Standard Jiu Jitsu, with a decade of martial arts experience and a research background.

Carlmichael Leiva portrait

About Carlmichael Leiva

Coach Carlmichael began his grappling journey in 2012 as a high school wrestler, earning over 100 victories in folkstyle, freestyle, and Greco-Roman competition within his first two years of training.

After transitioning to Brazilian Jiu Jitsu in 2014, he trained under 7-time world champion Roberto "Cyborg" Abreu before co-founding Ground Game Theory alongside Keanoush Amirizadeh in 2022.

Prior to opening the academy, Carlmichael worked as a fintech research analyst while spending years studying high-level grappling strategy, skill acquisition, and coaching methodology. His coaching philosophy blends analytical thinking with an ecological approach that emphasizes live training, adaptive problem-solving, and realistic skill development.

Today, Carlmichael is a black belt under Coach Greg Souders of Standard Jiu Jitsu. He is recognized as one of South Florida's leading no-gi jiu jitsu instructors and is dedicated to building one of the region's premier submission grappling programs.

Where Carlmichael Coaches

Programs at Ground Game Theory

Carlmichael coaches at Ground Game Theory, a no-gi jiu jitsu academy in Westchester / University Park in Miami, five minutes from FIU. The academy is at 9766 SW 24th St, Unit 12, Miami, FL 33165 and runs adult no-gi classes, kids classes, and MMA, plus open mat and private lessons. The first day is free for Miami-area residents.

Adult No-Gi Jiu Jitsu

Our adult no-gi jiu jitsu program is split into three class types: foundations for beginners, all-levels for mixed experience, and advanced classes for competitors and serious practitioners. Students learn how to wrestle opponents to the ground, control positions, and finish submissions under pressure.

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Kids Jiu Jitsu

Our kids jiu jitsu classes help students build confidence, focus, discipline, and sportsmanship through structured, engaging training. Classes are welcoming, productive, and fun for children ages 4-12 in the Miami area.

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MMA Classes

Our MMA training classes combine striking, wrestling, and submission grappling in a structured and approachable environment. These sessions are ideal for students looking to develop practical mixed martial arts skills while improving conditioning and timing. MMA classes are offered Fridays and Sundays.

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Train with Carlmichael and the GGT Team

Start your free one-day trial and experience the room for yourself.