David Ludwig

David S. Ludwig, MD, PhD, is an endocrinologist, researcher, and professor at Harvard Medical School and Harvard School of Public Health. He directs the New Balance Foundation Obesity Prevention Center at Boston Children’s Hospital and has over 25 years of research experience in nutrition, metabolism, and obesity. He is the founder of the Optimal Weight for Life (OWL) program and a proponent of the carbohydrate-insulin model of obesity.