Tim Tackett is an experienced Jeet Kune Do practitioner and the author of Hsing-I Kung-Fu, Jeet Kune Do, and Jeet Kune Do Kickboxing. He lives in Burbank, California. Linda Lee Cadwell is the widow of Bruce Lee. She continues to promote Jeet Kune Do through the non-profit Bruce Lee Foundation. She lives in Seattle, Washington.