Leo Galland, MD, is an internationally respected expert in nutritional medicine and a founder of Functional Medicine. He received his education and medical training at Harvard and NYU, and is the author of two highly acclaimed books. He has appeared on Good Morning America, CNN, and PBS.

Dian Dincin Buchman was an alternative medicine pioneer, writer, and activist. A former president of the American Society of Journalists and Authors and a founder of the Council of Writers Organization, she was the author of Herbal Medicine, The Complete Book of Water Therapy, and The Complete Guide to Natural Sleep. She died in 2000.