•Professor, Senior Consultant, and Head of Paediatric Allergy and Immunology the Department of Paediatrics, National University Singapore

•Past-President of APAPARI

•Board member of APAAACI

•Committee member of the Immunotherapy Working Group of WAO

•Reviewer for The European Journal of Paediatrics, Pediatrics, Paediatric Allergy and Immunology, Allergy, Paediatric Pulmonology, The European Respiratory Journal, Paediatric Research, British Medical Journal, The American Journal of Respiratory and Critical Care Medicine and Archives Diseases of Childhood