Robert C. Stone, DO is a physician, researcher and trauma psychiatrist. He spent five years as one of the most requested speakers for the pharmaceutical industry, training for Bristol-Myers Squibb, Eli Lilly, AstraZeneca and Pfizer. Dr. Stone has published more than 30 scientific papers and book chapters. He is a fortune 500 leadership trainer and author of the upcoming book, Circle of Wisdom. Dr. Stone has become committed to spreading the message of the mangosteen's powerful ability to prevent disease and help regain and maintain optimum health.