John D. Day, MD, graduated from medical school at Johns Hopkins University. He did his residency and cardiac electrophysiology fellowship training at Stanford University. Dr. Day is an electrophysiologist at the Intermountain Medical Center Heart Institute in Salt Lake City, Utah. He previously served as president of the Heart Rhythm Society and currently serves as the Utah Governor of the American College of Cardiology. He is recognized as an international thought leader on atrial fibrillation management. Dr. Day is board certified in cardiology, and cardiac electrophysiology. He has published more than 100 manuscripts, abstracts, and book chapters and regularly lectures both nationally and internationally on heart rhythm disorders. Dr. Day is the former editor-in-chief of the Journal of Innovations in Cardiac Rhythm Management. In 2017, Dr. Day published The Longevity Plan: Seven Life-Transforming Lessons from Ancient China, with HarperCollins as publisher. The Longevity Plan was an Amazon number one bestseller and was named best books of 2017 by the Huffington Post and won the Nautilus Book Award Gold Medal for the best book of 2017.

Dr. T. Jared Bunch, MD, is the founding editor of the HeartRhythm Case Reports journal and is active in the Heart Rhythm Society. During residency at Mayo Clinic in Rochester, Minnesota, he received the Outstanding Achievement Award and the Resident Research Award from the Department of Medicine, and the Donald J. Feist Primary Care Clinic Award for Clinical Excellence. He completed his fellowship in cardiovascular diseases and electrophysiology at the Mayo Clinic and received the Mayo Brothers Distinguished Fellowship Award for clinical care of patients and the Donald C. Balfour Award for meritorious research. He served as an assistant professor of medicine at the Mayo Clinic from 2003-2007. After fellowship, he joined the cardiovascular team at Intermountain Heart Institute and directed heart rhythm research and received the Physician Researcher of the Year for the Intermountain Healthcare System in 2014 and 2017. In 2019, he joined the faculty at the University of Utah School of Medicine as a professor of medicine. Dr. Bunch is on the editorial boards of the Heart Rhythm Journal, Journal of Cardiovascular Electrophysiology, Heart, American Heart Journal, JACC Clinical Electrophysiology, and the Journal of Innovations in Cardiac Rhythm Management.