Speaker, author and instructor, WR Mann, is an early advocate of Reality-Based Training and founder and publisher of Defense Science, a self defense science website. WR’s background includes a lifelong study of traditional martial arts, close quarter combat and sports fighting since childhood including judo, traditional Japanese jujitsu, karate, boxing, wrestling, arnis, escrima and gun disarms. https://usadojo.com/wr-mann/
Chuck Norris holds black belts in Tang Soo Do and Tae Kwon Do and founded Chun Kuk Do. The actor, martial artist, and producer also trained in Judo and BJJ.
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