He advocates the use of a belly button healing wand and has made the cover of Rolling Stone.
So who is Seung Heun Lee, known as Ilchi Lee to his followers?
He's a South Korean author, businessman and founder of a variety of mind and body training methods.
The 66-year-old made his name and fortune as the founder of Dahn Yoga or Dahn Hak, described as "a blend of yoga, tai chi and martial arts exercises". In 2005 its name was changed to Brain and Body.
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• Dahn Yoga founder Ilchi Lee buys up land in Northland