RAT Instructors
RAT Fighting System Instructors
Meet the experts dedicated to making personal protection more effective. We ensure a safe and supportive training environment.
Principal & Chief Trainer
Gregory M. Vecchi, Ph.D.
Retired FBI agent and Unit Chief of the legendary FBI Behavioral Science Unit, career hostage negotiator, and U.S. Army CID veteran. 50 years in martial arts and over 30 years as a firearms instructor, with instructor certifications across Jeet Kune Do/Kali, Wing Tsung, Arnis, Escrima, and NRA disciplines.
Read Bio →G-RAT Apprentice Instructor
Colton Gurley
Certified by Dr. Vecchi under VGI Tactics. U.S. Army veteran (Combatives Level 1, Mounted & Urban Combat) with training in Jiu-Jitsu, Taekwondo, and Western Boxing. B.S. in Kinesiology; CPR/AED/first-aid certified.