A pioneer in the field of functional medicine, James M. Greenblatt, MD, has treated patients since 1988. He is the founder of Psychiatry Redefined, and is an assistant clinical professor of psychiatry at Tufts University School of Medicine and Dartmouth College Geisel School of Medicine. Dr. Greenblatt has lectured internationally on the scientific evidence for nutritional interventions in psychiatry and mental illness and is a leading contributor to helping physicians and patients understand the role of personalized medicine for mental illness. He is the author of eight books, including Finally Focused: The Breakthrough Natural Treatment Plan for ADHD.

Bill Gottlieb, CPHC is one of America's most successful health book authors and journalists, a certified professional health coach, and a media personality. He has authored and coauthored sixteen published books, which have sold over three million copies.