Gaiojutsu is the fighting system from Albuquerque, New Mexico developed by Greg Jackson and taught at his training facility, Jackson's Submission Fighting. Originally a combination of wrestling and Judo techniques, Jackson incorporated Brazilian Jiu-Jitsu and kickboxing to make the system complete. Gaidojutsu fighters have competed in the Ultimate Fighting Championship, PRIDE Fighting Championships and other mixed martial arts promotions along with numerous grappling competitions.