Dr. William Kristanto is an interventional cardiologist at Mount Elizabeth Hospital, Singapore, with a focus on coronary angioplasty. He employs advanced techniques such as fractional flow reserve and intracoronary imaging to diagnose and treat acute coronary syndrome, ischemic heart disease, and microvascular dysfunction. Dr. Kristanto also serves as a visiting cardiologist at the National University Heart Centre and contributes to the Western STEMI network under the National University Health System. He previously held roles at Ng Teng Fong General Hospital, where he led the cardiac rehabilitation programme and supported the transition to next-generation electronic medical records.