Official Website of Authentic Bruce Lee Jeet Kune Dos. The World Jeet Kune Do Federation is the largest Bruce Lee style educational organization with over eight thousand members worldwide. JKD or Jun Fan Jeet Kune Do is the only non-classical Gung Fu system in existence today. It was born from Lee's idea to take the best of Wing Chun Kung Fu, American Boxing , French Fencing and Grappling to bring them together as the ultimate combat art.. We offer the finest in original Jeet Kune Do training and materials available anywhere. We do not deal in politics of any kind and do not tolerate those that do. The World Jeet Kune Do Federation is focused on original techniques as taught to our teachers at Bruce Lee's private school, and we bring this teaching to our you. more>>