Dr Julius Cairn completed undergraduate training at The Medical College at The London Hospital (now part of Queen Mary, University of London) and postgraduate training in the north-west Thames region, London. This included postgraduate training at Royal Brompton, Harefield and Charing Cross hospitals.
He completed research at Harefield and Royal Brompton hospitals on bronchiolitis obliterans syndrome following lung transplantation.
Dr Julius Cairn is a respiratory physician who covers all aspects of respiratory medicine. As well as having a clinic at Harefield Hospital, he also works as a consultant respiratory and general physician at West Hertfordshire Hospitals NHS Trust.