Richard currently is the director of Cardiothoracic Surgery for the Research Laboratory and Professor of Surgery & Biomedical Engineering at Washington University in. St. Louis. He has 45 years of experience in performing human intraoperative mapping studies. These include studies involving both ventricular and supraventricular arrhythmias. I have isolated and mapped human hearts. One of his major interests has been in development of the surgical treatment of cardiac arrhythmias and he was involved in the development of the Maze procedure for atrial fibrillation. Richard has extensive knowledge and experience in cardiac electrophysiology. In addition, He also has extensive experience in the statistical design and analysis of experiments.