Dr Siontis is a Consultant and Board-certified cardiac electrophysiologist in the Department of Cardiovascular Medicine at Mayo Clinic in Rochester, Minnesota, where he is also an Assistant Professor of Medicine. He completed training in Internal Medicine, Cardiology, and Cardiac Electrophysiology at the Mayo Clinic and the University of Michigan. He has clinical and research interests in the ablative management of atrial and ventricular arrhythmias, particularly in patients with inflammatory and genetic cardiomyopathies, as well as in artificial intelligence applications in cardiology and electrophysiology. He is the Director of the Cardiac Radioablation program at Mayo Clinic with emphasis on particle therapy for the treatment of ventricular arrhythmias. For his work on proton beam therapy for VT, he received the 2023 Eric N Prystowsky Early Career Researcher award by the Heart Rhythm Society.
