Dr. Bradley has been teaching Sinmoo Hapkido for over 10 years. He has taught seminars and assisted Dojunim Ji, Han Jae with seminars around the world from Mauritania and Mexico to Finland and Latvia. He is known for his attention to detail of techniques and his expertise and knowledge of the Sinmoo Hapkido curriculum. He has had the priviledge to travel and train with Dojunim and spend many hours training and discussing the finer details of his art. He has assisted Dojunim with translations and interpretation of philosophical and medical concepts in Sinmoo Hapkido. He also is careful to spend time with senior students to preserve and understand concepts that have been lost over the years.

Dr. Bradley's personal focus is on the mental, spiritual, and health aspects of Sinmoo Hapkido as he integrates his medical education with the philosophy of Sinmoo Hapkido. He has spent countless hours studying the underlying philisophy of the "Nine Rules of Sinmoo Hapkido," Danjun breathing, revival techniques and the books Dojunim uses as the foundation of his art.

He is a Licensed Naturopathic Physician and Acupuncturist in the Kirkland, Washington area. He is a graduate of Bastyr University and Colorado State University and also studied at Shanghai University of Traditional Chinese Medicine. He served in the US Army for eight years as a Health Care Non-commissioned Officer. He uses Sinmoo Hapkido in his daily practice and often uses princlples from his training to work with patients. He has traveled extensively studying meditation, medicine and martial arts but remains dedicated to the teachings of Dojunim Ji and the practice of Sinmoo Hapkido.