The top Brazilian Jiu-Jitsu and Mixed Martial Arts gym in North Texas



John Moore

  • Owner/Head Instructor
  • Black Belt in BJJ under Shawn Hammonds
  • Coach of Grapplers Lair MMA Fight Team
  • Head Coach of United States Army Combatives 2010 Champions
  • Former Deputy Sheriff  and  State Corrections officer
  • Former Security Guard for Methodist Hospital, Plainview and Lubbock, TX
  • Former Bouncer for Dallas Nights Club, Lubbock, TX
  • Has taught and trained many law enforcement officers throughout the state of Texas
  • Numerous seminars in self-defense and rape prevention for the US Army and the public
  • Has produced high level MMA fighters who have competed in the top MMA organizations including UFC, Bellator, Strikeforce, World Series of Fighting


Susane Moore

  • Owner/Conditioning Instructor
  • BJJ Blue belt under John Moore
  • Former Texas Amateur Submission Grappling Association Female Champion
  • Occupational Therapist’
  • Personal Trainer

TJ Waldburger

  • Black belt in BJJ under John Moore
  • Professional fighter and Assistant Instructor at Grapplers Lair
  • UFC fighter and record holder for most submission attempts ever in the UFC.
  • Two submission of the night bonuses from UFC
  • Former Shark Fights Welterweight champion of Texas
  • Former Masters of the Cage Welterweight Champion of Oklahoma
  • Former XFC Welterweight Champion of Texas
  • US Army Coach for Ft. Hood All Army Combatives Champions of 2010
  • Instructor for self-defense and rape prevention seminars

Rene Rendon

  • Black belt in BJJ under John Moore
  • Assistant instructor for BJJ
  • Has many championship belts for NAGA Grappling Federation
  • Former MMA Fighter

Ty Ashcraft

  • BJJ Purple Belt under John Moore
  • Children’s Instructor
  • MMA Fighter for Grapplers Lair
  • Multiple time NAGA Grappling Federation Winner
  • Multiple Time Fight to Win Federation winner
  • Has assisted in multiple self-defense seminars
  • Member of the Grapplers Lair demonstration team