Dr Ong Hean Yee is a cardiologist at Mount Elizabeth Novena Hospital, Singapore, with over 20 years of clinical experience in both the UK and Singapore. He specialises in cardiac screening, lipidaemia, exercise testing, heart failure, and advanced cardiac imaging. Dr Ong established the Division of Cardiology at Alexandra Hospital and later led the Department of Cardiology at Khoo Teck Puat Hospital, where he expanded services in heart care and clinical research. He completed advanced training in Singapore and the US, including a fellowship at the Cleveland Clinic under an MOH scholarship.