Dr Perrin is a Cardiologist and heart rhythm specialist (cardiac electrophysiologist) who trained at St Vincent's Hospital in Sydney, and Ottawa Canada. He completed a PhD at the Victor Chang Cardiac Research Institute in Sydney, with subsequent post-doctoral research into inherited arrhythmia syndromes at the Ottawa Heart Institute, Canada.
Mark holds a public appointment at the University Hospital, Geelong. His sub-speciality includes the advanced management of atrial fibrillation and other arrhythmias with catheter ablation. He also implants a wide range of devices including pacemakers, cardiac resynchronisation devices, and defibrillators.