Hakim Isler is a decorated combat war veteran, fifth-degree To-Shin Do black belt, certified close-protection specialist and professional self-defense and combat weapons instructor. He trained under Stephen K. Hayes, has been involved in the martial arts for 22 years and in the security field for eight years. He developed and instructed military combative systems for the United States Army and has appeared on the Discovery Channel's Naked & Afraid and FOX's Kicking & Screaming.