Kevin is a hepatology expert at UCL and an honorary consultant at the Royal Free Hospital. His research has led to key discoveries in liver disease, including new treatments for hepatorenal syndrome and rhabdomyolysis, potentially saving over 100,000 lives annually. He founded the Applied Medical Science programme at UCL, now with 450 students, and co-founded the digital health start-up Salutare in 2020, developing software for blood testing and disease monitoring, used in over 2 million tests across North Central London. He has authored four editions of the Oxford Handbook of Acute Medicine, with over 100,000 copies sold.