Dr. Gregory Kelly is a naturopathic physician, lead product formulator at Neurohacker Collective and author of the book Shape Shift. He was the editor of the journal Alternative Medicine Review and has been an instructor at the University of Bridgeport in the College of Naturopathic Medicine, where he taught classes in Advanced Clinical Nutrition, Counseling Skills, and Doctor-Patient Relationships. Dr. Kelly has published numerous articles on various aspects of natural medicine and nutrition, contributed three chapters to the Textbook of Natural Medicine, and has more than 30 journal articles indexed on Pubmed. His areas of special interest and expertise include nootropics, anti-aging and regenerative medicine, weight management, and the chronobiology of performance and health.