Dato’ Dr Hamdan Leman serves as a Consultant Cardiothoracic and Congenital Heart Surgeon at Cardiac Vascular Sentral Kuala Lumpur and Prince Court Medical Centre. He earned his MD (1986) and MS (1995) from Universiti Kebangsaan Malaysia, before completing fellowships in adult and paediatric cardiothoracic surgery in Australia . As one of the few specialist surgeons in congenital cardiac care, Dr Hamdan Leman plays a key role in complex paediatric heart procedures and leads community efforts like the Malaysian Congenital Heart Foundation.