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. Wim Demeere began training at the age of 14, studying the grappling ats of judo and jujitsu for several years before turning to the kick/punch arts of traditional kung fu and full contact fighting. He won four national titles and a bronze medal at the 1995 Word Wushu Championships. In 2001, he became the national coach of the Belgian Wushu fighting team. Wim instructs both business executives and athletes in nutrition, strength, endurance, and martial arts. Wim Demeere lives in Belgium.