West Chester’s Most Credentialed Martial Arts Program

Our Instructors

Multiple credentialed instructors. Verified lineage. Training that works when it matters.

Lead Instructor — Cincy MMA & Kids BJJ

Sean Sutton

BJJ Instructor — Black Belt (JKD Unlimited)  ·  JKDU / MMA For The Street™ Full Instructor  · 
Muay Thai Functional Training System™ Kru  ·  Silat For The Street™ Instructor  · 
Jun Fan JKD Functional Trapping™ Instructor  ·  Battlefield Kali™ Single Stick Guro  · 
Battlefield Kali™ Knife Guro  ·  Black Belt 1st Degree — MCMAP (Marine Corps Martial Arts Program) · Judo Ikkyu / Brown Belt (Mikuta Martial Arts – Functional Judo)

Sean Sutton holds credentials that are genuinely rare in the martial arts world. His BJJ Black Belt comes through Burton Richardson — placing him in a lineage that traces directly to the highest levels of Brazilian Jiu-Jitsu. As a JKD Unlimited Full Instructor, Sean is certified in Burton Richardson’s own complete fighting system — one of fewer than 50 such instructors in the world.

His credentials span the full spectrum of unarmed and weapons-based combat: Muay Thai Kru, Battlefield Kali, Silat for the Street, and the MCMAP Black Belt — the United States Marine Corps Martial Arts Program. When you train here, you are training with someone who has spent decades learning directly from the source.

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Instructor — Cincy MMA & Kids BJJ

Greg Randell

BJJ Instructor — Brown Belt (JKD Unlimited)  ·  JKDU / MMA For The Street™ Instructor  · 
Battlefield Kali™ Single Stick Guro  ·  Jun Fan JKD Functional Trapping™ Instructor

Greg holds a BJJ Brown Belt and is a certified JKD Unlimited Instructor in the full Burton Richardson system. He brings precision and depth to every class, with particular focus on functional standup and ground-fighting integration.

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Instructor — Cincy MMA

Matt Sylvester

JKD Unlimited Instructor  ·  BJJ Purple Belt

Matt is a JKD Unlimited certified instructor and BJJ Purple Belt with a methodical teaching style suited to students at every level. His instruction covers both the conceptual framework of JKD and its practical application on the mat.

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Instructor — Cincy MMA

Charles Mahabir

Cincy MMA Coach  ·  BJJ Purple Belt · Tae Kwon Do Black Belt · Kino Ryu Black Belt

Charles is a BJJ Purple Belt, Black belt 1st Dan in Tae Kwon Do, and Black Belt 3rd Dan in Kino Ryu. He has a background in instructing and teaching the traditional martial arts as well as MMA.

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Kids BJJ Coach

Keaton Shumard

BJJ Purple Belt  ·  Active Competitor

Keaton is an active competitor who tests his skills in the arena and brings that edge back to the mat. He coaches the Kids BJJ program with rigor and care — building confident, capable young athletes in a structured, safe environment.

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Kids NoGi Coach

Cole Sutton

MMA Fighter  ·  BJJ Purple Belt  ·  High School Wrestling

Cole is a MMA fighter with a wrestling base and BJJ Purple Belt — someone who trains to compete, not just to teach. He brings an athlete’s perspective to every session: what works under real pressure, against a resisting opponent.

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Traditional Martial Arts

Kenpo

Jim Lentz

Owner – Karate / Kenpo Jiu-Jitsu Instructor — Sandan (3rd Degree Black Belt) – Shodan (1st Degree Black Belt) Hojustsu-Ryu  – Kiha-Go Green (Instructor) in Shootfighting – Judo workshop leader – NRA Certified Instructor

Jim brings multiple personal training and self-defense certifications, extensive wrestling and military combatives knowledge, and six years serving as a Military Policeman in the United States Marine Corps Reserve. His background in Criminal Justice rounds out a uniquely practical teaching perspective.

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Kenpo

Jim Cornish

Kenpo — Yodan (4th Degree Black Belt)  ·  17 Years Teaching Experience  ·  US Army Vietnam Veteran

Jim Cornish brings 17 years of teaching experience and a Sandan rank in Kenpo. His service as a US Army Vietnam Veteran informs a grounded, practical approach to instruction.

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Aikido

Dirk Domaschko

Aikikai — Sandan (3rd Degree Black Belt)  ·  Iaido  ·  Jodo

Dirk holds a 3rd degree black belt in Aikikai Aikido and is trained in Iaido (drawing and cutting with the sword) and Jodo (short staff). His instruction brings refined technical depth to the traditional martial arts program.

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Aikido

Seth Lindberg

Aikikai — Shodan (1st Degree Black Belt)

Seth brings a focused Aikido practice to the program, trained to Shodan level in the Aikikai tradition alongside Dirk Domaschko.

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