Dr Derrick Sim is Managing Director of Vaccine Markets, Health Security & COVAX at Gavi, The Vaccine Alliance. In this role, Dr Sim leads Gavi’s Market Shaping team, ensuring healthy markets for vaccines and other immunisation products. He also leads the Health Security team, which builds on the Vaccine Alliance’s experience and learnings from responses to outbreaks and the COVID-19 pandemic for improved preparedness and response to future health emergencies, pandemics and other global health priorities. Prior to joining Gavi, Dr Sim worked for nearly two decades in the vaccines industry, having managed vaccine commercialisation, launch and development at global and regional levels.