John Pellegrini is one of the world’s leading authorities on hand-to-hand combat. He has trained in the arts of aikido, judo, karate, taekwondo, hapkido, jeet kune do, special forces hand-to-hand combat training, and counterintelligence self-defense. He is the founder of the art of combat hapkido, which is now taught at more than 250 schools in a dozen countries. He is the first American to be promoted to ninth-degree black belt by the World Ki-Do Federation and has been named Black Belt magazine’s Instructor of the Year. He lives in Phoenix, Arizona.