Martin Stiles is Director of Electrophysiology at Waikato Hospital and Professor of Medicine at the University of Auckland, New Zealand. He is the Chair for the NZ region of the Cardiac Society on Australia and New Zealand (CSANZ). He has interests in Pacemakers and Defibrillators as well as Ablation to treat arrhythmias. He has led International Expert Consensus Documents on ICD Programming and the Investigation of Sudden Cardiac Arrest. He is Scientific Program Chair for the Asia Pacific Heart Rhythm Society and Chairs the Scientific Committee for CSANZ.