Professor Katherine Brown is Chair in Behaviour Change in Health and Chief Investigator for the NIHR-funded PHIRST Connect. She spent more than eight years embedded within a local authority public health department alongside leadership of research teams focussed on the application of behavioural science to changing preventive health behaviours and addressing major public health challenges. Her key areas of expertise include: Intervention development and evaluation, engagement of multiple stakeholders in the co-production of research, behaviour change, public health, digital health.