Ffion Lloyd-Williams is the Senior Research Officer for the EUSS Data Linkage Project, funded by ADR UK/ESRC. She is responsible for the day to day management of the project, including acquiring and analysing the appropriate datasets, coordinating the project steering group and stakeholder consultation group, developing collaborations and disseminating research findings. Ffion is also the ADR Wales’ Welsh Government Analytical Lead on Mental Health for the 2022-2026 programme of work and member of the Welsh Government Social Research Committee. She has over two decades of research and project management experience. Her research expertise is in the areas of policy research, health promotion, and population health, in particular studies aimed at the prevention of non-communicable diseases, via dietary interventions and the promotion of health and wellbeing. She has extensive experience and training in the development, implementation, and evaluation of complex health interventions and public health planning.