He specializes in the diagnosis and management of ventricular arrhythmias in patients with inherited heart disease. He is an internationally recognized expert in arrhythmogenic right ventricular cardiomyopathy and in epicardial ventricular tachycardia ablation procedures. In addition to this, he has been involved in innovating new methods and devices for treating arrhythmias while reducing the pain of cardiac defibrillation, and for rapidly cooling vulnerable brain and spinal tissue to protect them during cardiac arrest.