Dr. John Douillard is the author of The 3-Season Dietand Body, Mind, and Sport, which has sold over 60,000 copies and has been printed in six languages. His book Perfect Health for Kids, was released early in 2004, followed by The Encyclopedia of Ayurvedic Massage(both 2004, North Atlantic Books). John received his Ayurvedic training in India and holds a Ph.D. in Ayurvedic medicine from the Open International University. He is the former Director of Player Development for the New Jersey Nets in the NBA. He co-directed Deepak Chopra's Ayurvedic center for eight years and has trained over 2000 Western doctors in Ayurvedic medicine.

He launched a preservative-free Ayurvedic skin care line in 1998, and an Ayurvedic herbal line for health professionals in 2003. He has been teaching Ayurvedic medicine, natural health, fitness, and nutrition internationally for seventeen years. Currently he directs the LifeSpa School of Ayurveda and practices Ayurvedic and chiropractic medicine at LifeSpa in Boulder, Colorado, where he lives with his wife and six children.