Tevfik Ismail is a consultant cardiologist at Guy's and St Thomas' NHS Foundation Trust and adjunct reader at King’s College London.

He is clinical lead for inflammatory myocardial and pericardial diseases and deputy clinical lead for the adult non-congenital cardiovascular magnetic resonance clinical service. He is a fellow of the Society for Cardiovascular Magnetic Resonance, the American College of Cardiology, European Society of Cardiology, the Higher Education Academy, the American Heart Association, and the Royal College of Physicians. He is the Cardiology Editor for Clinical Medicine, the Journal of the Royal College of Physicians.

His clinical and research interests include inherited cardiac conditions, heart failure, inflammatory myocardial and pericardial disease, magnetic resonance elastography, myocardial mechanics, and advanced imaging methods for the assessment of non-ischaemic heart muscle disease.