He subsequently trained in Paediatrics, mainly in London teaching hospitals, but also included a period as a senior resident in Boston Childrens Hospital, USA. Research undertaken at the Brompton Hospital, London, with Professor John Warner into food and food additive intolerance and house dust mite allergy. Gained accreditation in general paediatrics.
Appointed to present position of Consultant Paediatrician in 1993 and has been the Chair of the department and/or Clinical Director for most of the time since appointment. He is the lead attending Paediatric Consultant at Chase Farm Hospital.
Dr Ian Pollock also works as a Consultant Paediatric Allergist at St Mary's Hospital Paddington and is an Honorary lecturer at University College Hospital. He works in 1- 3 paediatric allergy clinics per week, and continues allergy research and publications into new treatments for eczema.