Co-Founder & Chief Instructor

CAIA Director and Chief Instructor Noah Greenstone began martial arts in Los Angeles in 1973, training Danzan Ryu Jujitsu and Judo. After receiving a black belt in 1985 he trained at the Inosanto Academy in Los Angeles. His instructors include notable US martial artists like Professor Michael Belzer, Cliff Stewart, Larry Hartsell, Hawkins Cheung, Professor Wally Jay, Shihan Sig Kufferath and others.

Noah spent the 1990s in Japan, training under the 11th and 12th headmasters of an ancient Japanese Samurai system where he extensively trained Jujutsu, Kenjutsu, Iaijutsu, Bojutsu and Naginata. During this time he also trained in Judo. He has participated seven times in the Zen Nippon Kobudo Renmei Embu Taikai sponsored by the Japanese government at the Dai Nippon Budokan and other key Japanese martial arts venues.

His experience also includes Filipino stick / knife / empty hand training with multiple masters, Indonesian Pencak Silat as well as Archery under the teachings of the late great Francis Peeler. In 2016 he was presented with a 6th Dan by UKMF Headmaster Yaron Hanover 9th Dan and Gendai Ryu Soke Dr Gavriel Schneider 7th Dan.


  • 5th dan Japanese Bujutsu
  • 6th Dan Gendai Ryu / Gendai Krav Maga
  • Menkyo in Jujutsu, Bojutsu, Kenjutsu, Naginata, Iaijutsu
  • Black Belt Danzan Ryu Jujutsu
  • Black Belt Sabaku Jutsu / Cement Jujitsu
  • Black Belt Judo
  • Krav Maga Instructor
“Keep moving forward and never stop.”
Noah’s Philosophy
Founder & Personal Trainer

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Kedela wer kalyakoorl ngalak Wadjak boodjak yaak.
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