Dr Reginald Liew is a senior cardiologist based at Gleneagles Hospital and Mount Elizabeth Hospitals in Singapore. He specialises in cardiac electrophysiology, routinely performing catheter ablation procedures and implanting devices like pacemakers, ICDs, and CRT devices. Trained at Cambridge University and Imperial College London, Dr Liew has contributed significantly to research on heart rhythm disorders and cardiac risk assessment. He previously served as senior consultant and deputy director at the National Heart Centre, where he helped advance research in arrhythmias and stem cell therapies.