Dr. Mason is an independent consultant in the cardiac safety of pharmaceuticals. He also serves, in a consultative role, as Chief Medical Officer of Spaulding Clinical Research. He graduated from Princeton University and obtained his MD degree from the University of Pennsylvania. He trained in Medicine and Cardiovascular Diseases at Stanford University Medical Center where he was a member of the Faculty from 1975 to 1983 and served as Director of the Cardiac Arrhythmia Service and Co-director of the Cardiac Catheterization Laboratories. He became Chief of Cardiology at the University of Utah in 1983, where he was PI of two major NIH-funded international clinical trials and an NIH-funded Specialized Center of Research in Sudden Death, and remains a faculty member. He was Chairman of the Department of Medicine at the University of Kentucky from 1999 to 2003. His clinical, teaching and research emphasis is in cardiac arrhythmias and electrophysiology.