Dr. Ahmad Nazrin Ja’afar is a dedicated Medical Officer specializing in Cardiothoracic and Vascular Surgery at the National Heart Institute (IJN). He possesses expertise in General Cardiac Surgery and General Thoracic Surgery, actively contributing to cardiothoracic theatres with procedures like Saphenous Vein and LIMA harvesting, and Sternotomy. Dr. Ja'afar is recognized for his research contributions, including publications on complex congenital heart conditions and quality of life in adults with congenital heart disease, showcasing his commitment to advancing cardiovascular care.