Steven Atchley, MD, DO, is a board-certified cardiologist working in Denver, CO, for the last 33 years. He is also the former CEO of Mesquite Organic Beef, former science advisor for the American Grassfed Association and current organic farmer and rancher. He also teaches a course on how to interpret electrocardiograms to medical students and residents in internal medicine, family medicine and emergency medicine. Dr. Atchley coaches track and field (distance) at a large high school in Colorado.