- Had a troublesome childhood in Florida with an abusive step-father which led to leaving home (and school) at 15. He discovered Karate, Kickboxing, Heavyweight Boxing and stunt work. Jeff holds a 5th Degree Black Belt.
- After discovering martial arts, he went on to become a U.S. Grand National Karate Champion. Jeff is a former world-rated Professional Kickboxer, and was named Sports Illustrated's Number Ten Heavyweight Boxer in the world, and got inducted into the Martial Arts Hall of Fame .
- Wrote his own memoirs, called: "Here I Am: An Unconventional Life".
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