Ian Cropley is a consultant in Infectious Diseases and HIV at the Royal Free London. He studied medicine at Cambridge and London Universities. He became interested in infectious diseases during his medical school elective to the highlands of Papua New Guinea. He has subsequently trained in infectious diseases and HIV at hospitals in London. He has been closely involved in the design of teaching and training programmes for medical students and trainees in infectious diseases. His main interests are tuberculosis, HIV/TB coinfection and HIV in the UK and LMIC settings.