Caitlin is a Senior Research Fellow at the Vaccine Confidence Project, London School of Hygiene & Tropical Medicine, specialising in evidence synthesis and interdisciplinary research on vaccine confidence. She has prepared systematic reviews for the WHO SAGE Working Group on Vaccine Hesitancy and the ECDC, supported implementation research on vaccine confidence with UNICEF ECARO, and contributed to the expert report for the UK Covid-19 Public Inquiry on vaccine hesitancy and confidence during the pandemic.  Elsewhere, Caitlin has held research positions with the National Institute for Health Research (NIHR UK) (Mental Health Research Network) and the Swiss Tropical and Public Health Institute (Health Systems Strengthening Unit) and has recently started an evaluation role with the Centre on Climate Change & Planetary Health at LSHTM.