Janet Zand, N.D., L.Ac., is a leading practitioner of natural medicine who uses homeopathy, herbal medicine, acupuncture, nutrition, exercise, and lifestyle modification to create an integrated approach to health. She is a widely quoted authority on natural medicine, and has formulated many popular herbal and nutritional medicines. Robert Rountree, M.D., is a board-certified practitioner of family medicine who has done extensive postgraduate work in nutritional and herbal pharmacology. His practice incorporates traditional family medicine, nutrition, herbology, and mind-body therapy. Dr. Rountree is also a certified master practitioner of neurolinguistic programming. Rachel Walton, R.N., M.S., is a pediatric nurse with a master's degree in child-health nursing.