Professor David Adiv is a 5th degree GJJ black belt and Co Founder of the original RGDA Association, which is now known as the Gracie Humaita association. He is the owner of Fightzone: Fit to Fight, a fighter clothing and products company, as well as the owner and head instructor of Gracie New Jersey, an academy which focuses on all aspects of Gracie Jiu-Jitsu: Self-defense, Sport Jiu-Jitsu, Submission Grappling and MMA.
