Dr. William Davis is a Milwaukee-based American cardiologist and author of health books known for his stance against "modern wheat", which he labels a "perfect, chronic poison. Dr. Davis is a New York Times Best-Selling author says that it is possible to stay wheat and grain free on a healthy plant-based diet. Dr. William Davis is a graduate of the St. Louis University School of Medicine, followed by training in internal medicine and cardiology at the Ohio State University Hospitals, and training in interventional cardiology at the Case-Western Reserve Hospitals in Cleveland, Ohio. Formerly an interventional cardiologist, he now confines his practice to prevention and reversal of coronary disease in Milwaukee, Wisconsin. He is a vocal proponent of providing the public with self-empowering advice to seize control over their own health.