Lee Seung-Heun, better known as Ilchi Lee, is a South Korean author and the founder of a variety of mind-body training methods, including Body & Brain, Brain Wave Vibration, Kookhak Qigong, and DahnMuDo, all falling under the umbrella name "Brain Education". Lee began teaching his methods in a park in the 1980s, and since that time the practice has developed into an international network of for-profit and non-profit entities. Lee's practices have been labeled as pseudoscience and his organizations as a cult.