Mike Shields retired in 2020 and is now Emeritus Professor of Child Health (Queen's University Belfast) and Consultant Paediatrician (respiratory Medicine), Royal Belfast Hospital for Sick Children. He developed the regional respiratory service for children and set up regional difficult to treat asthma clinics and clinics for the respiratory management children with neuromuscular disorders. He set up and chaired the N Ireland paediatric respiratory & allergy network (NIPRAN). Previously he co-chaired the British Thoracic Society (BTS) Asthma Guidelines (Pharmacology section) and wrote the BTS Cough in children guidelines.