Dr. William McIntyre, MD, PhD, FRCPC is Assistant Professor, Department of Medicine, McMaster University, consultant cardiologist and arrhythmia service lead at St. Joseph’s Healthcare Hamilton, and Scientist, Population Health Research Institute, Hamilton, Ontario, Canada. He is the only Canadian to receive the European Heart Rhythm Association’s Diploma of Advanced Studies in Cardiac Arrhythmia Management. He has held funding from Canadian Institute of Health Research, the Heart and Stroke Foundation of the Canadian Stroke Prevention Intervention Network (C-SPIN), the Canadian Cardiovascular Society Atrial Fibrillation Awards Program, and the Heart and Stroke Foundation of Canada. He has published more than 140 peer-reviewed articles including first author works in JAMA, Annals of Internal Medicine, Circulation, and the European Heart Journal. He was the 2023 recipient of the Canadian Cardiovascular Society’s Young Investigator Award. His research interests include atrial fibrillation screening, medical therapy of atrial fibrillation and treatment of new-onset atrial fibrillation in cardiac surgery patients.