The Robert Wood Johnson Foundation (RWJF) is the US’s largest philanthropy dedicated solely to health. They are committed to solving one of the biggest pervasive challenges, improving health for all. Their mission is to develop a Culture of Health, enabling everyone in America to live longer and healthier lives. This means introducing a new framework for individuals and organisations to think differently about health and take action in their communities and place well-being at the centre of everyday life. RWJF support a wide array of research and programs to help build this national Culture of Health. In particular they invest in healthy communities, healthy children, health leadership, and health systems.