Dr Catherine Heffernan is currently SWL Public Health Consultant at the Southwest London Integrated Care System and Director of Health Improvement at SWL ICB. She’s also a visiting senior lecturer at King’s College London. She has over 20 years’ experience working on immunisations, including 9 years as Principal Public Health Advisor for Early Years, Immunisations and Vaccination Services at Public Health England and NHS England (London Region). She has also published widely on improving vaccine uptake and coverage.