Raghib is a clinical epidemiologist whose research is focused on the causes, prevention and treatment of diseases including diabetes, heart disease and cancer, and on reducing health inequalities. He has spent the last 20 years at the Universities of Oxford and Cambridge and New York University working on similar studies, including UK Biobank and the UAE Healthy Future Study. He is also a Consultant in acute medicine at the Oxford University Hospitals NHS Trust and an Honorary Consultant with the Office for Health Disparities and Improvement. He graduated from Cambridge University and has been awarded postgraduate degrees in Epidemiology and Public Health from the Universities of London, Cambridge and Oxford and is a Fellow of the Royal College of Physicians. He was awarded an OBE in the Queen’s Birthdays Honours 2022 for services to the NHS and the Covid-19 response and was elected as an Honorary Fellow of the Faculty of Public Health in 2023.