Our Instructors
Championship coaches with real cage experience — leading every class on our floor.
Trained To Lead
Christian DeFiris
Founder · CEO of Extreme Cage Fighting
Christian DeFiris is the CEO of Extreme Cage Fighting and the driving force behind ECF Gym. A five-time amateur champion across multiple combat sports disciplines, Christian built ECF into New York's premier MMA promotion — with a gym to match. His relationship with the sport goes beyond business: he has trained alongside elite fighters and brought professional-level coaching to Long Island.
Head Coach — TBD
Head Coach
Bio coming soon. Our head coach brings decades of championship-level experience to the ECF mats.
Coach — MMA
Lead MMA Instructor
Bio coming soon — confirm with client.
Coach — BJJ
Brazilian Jiu-Jitsu
Bio coming soon — confirm with client.
Coach — Muay Thai
Striking Coach
Bio coming soon — confirm with client.
Coach — Youth
Youth Program Lead
Bio coming soon — confirm with client.
Online Exclusive Offer — View Our Schedule & Pricing
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