Dr. Nanthakumar has been a Cardiologist and Cardiac Electrophysiologist at Toronto General Hospital for over 20 years, where he has served as Director of Heart Rhythm Disorders for a decade. He became a full Professor of Medicine at the University of Toronto in 2014 and is also a Senior Scientist at the Toronto General Hospital Research Institute. He is a dedicated teacher with multiple teaching awards, passionate about training and mentoring future electrophysiologists, locally and internationally, in complex electrophysiological interventions. He holds global acclaim in intracardiac mapping, with DeEP, Omnipolar, and Repolarization mapping among his fields of expertise. He has a Scopus publication record of over 230 original peer-reviewed journal articles. He is also an inventor/innovator at Techna. He has been granted sixteen patents or intellectual property (IP) rights in North America and Europe and is actively engaged in the commercialization of his IP.
He is an alumnus of the medical school at the University of Toronto, class of 1995. He subsequently completed postgraduate training in Internal Medicine and Cardiology at the University of Toronto for an additional 6 years, followed by an additional 3-year sub-specialization in arrhythmias and cardiac electrophysiology at the University of Alabama in Birmingham. There, he studied the mechanisms of cardiac arrhythmias and built expertise in cardiac mapping and ablations. His clinical expertise focuses on devices for heart failure and performing catheter ablation of ventricular tachycardia and supraventricular tachycardia.