About the Author

Avi Nardia spent 24 years of reserve service in the Israeli Defense Forces and earned the rank of major. He has taught martial arts to police agencies and military groups all over the world and operates the Avi Nardia Academy for martial arts. Albert Timen is a former member of the undercover counterintelligence unit within the Israel Defense Forces with 18 years of operational experience. He has trained numerous special units in close-quarters battle instruction. John Machado is one of the five brothers of the world-renowned Machado Brazilian Jiu-Jitsu martial arts family. He won every major title and competitive award in Brazil from 1982 to 1990 and holds a fourth degree black belt. He is considered one of the foremost authorities in martial arts.