Robert Koga Robert Koga developed his influential law-enforcement arrest-control system while serving with the Los Angeles Police Department in the 1960s. His approach drew on decades of martial arts experience, including judo training while stationed in Japan with the U.S. Air Force during the Korean War and later study of jūjitsu and aikido. Koga studied aikido extensively with Koichi Tohei, whose principles became an important influence on his developing approach to police control. Koga...

Parents searching for children’s jiu-jitsu or martial arts classes in Lakewood, Colorado, often want more than exercise. They want a program that helps their child become more confident, respond appropriately to bullying, develop self-control, and learn practical skills in a safe training environment. Gracie Bullyproof was designed around those goals. The program is not simply an adult Brazilian jiu-jitsu class modified for younger students. It is a structured children’s martial arts...

Jim Medley black belt in Gracie jiu-jitsu