Loren W. Christensen has been involved with martial arts since 1965. He has earned an 8th dan in American Free Style Karate, 2nd dan in Jujitsu, and 1st dan in Modern Arnis. Loren has authored over 50 books (a couple non-fiction), and has written popular articles for numerous martial arts magazines during the past 30 years. Loren was inducted into the 2001 Masters Hall of Fame for a Golden Lifetime Achievement Award. He is a retired Army MP and Portland Police Officer. Loren Christensen resides in Portland Oregon.