Dr Sally Fowler Davis is a health systems researcher who specializes in organisational improvement across health and social care and is particularly interested in population health outcomes. With a clinical and health services management background, and current secondments to the NHS current research is associated with population health and health impact assessment, particularly in commissioning services for older people and changing demands and capacity for management of dementia. Recent publications include a model of managing capacity and demand in community nursing, changing roles across allied health professions and in primary care and the outcomes of dementia services.