About David Thomas
David Thomas of Austin, Texas has been training, competing, and coaching since January 1985. He is founder and Head Coach of Austin Jiu-Jitsu (Self-Defense Mentor, LLC), offering self-defense instruction, consulting, and training.
  • Brazilian Jiu-Jitsu Brown Belt (under Carlos Gracie Jr. Black Belt Travis Tooke). 12 years of training.
  • 2008 North American Grappling (NAGA) Champion, Brown and Black belt Division (160 lb and under, Director, Gi)
  • 2 Black belts in Japanese Karate (AAKF, JKA Shotokan). 8 years of training.
  • State, national, and international-level competition experience
  • Author of the most comprehensive single-source online technique catalog for ground-fighting sports:
    BJJTech.com: The Austin Jiu-Jitsu Technique Catalog
  • Certified USA Wrestling Coach, active in competitive youth wrestling programs. 2 seasons.
  • Ground fighting trainer for law enforcement, EMT, and military personnel
  • Experienced referee in local and state-level BJJ and Submission Grappling competitions
  • Diverse martial arts training background including Thai Boxing, Aikido, Jeet Kune Do, Karate and Judo
  • Licensed by the Texas Department of Public Safety Private Security Bureau
More information on David is available: Read about David's assistant coach, Jenny Thomas, here.