Abstract The Wellbeing of Future Generations (Wales) (WFG) Act 2015 is ambitious legislation that enables a step change in the way public services tackle health and societal problems. The WFG Act includes clear requirements for public bodies to share a common purpose, by setting seven wellbeing goals focused on improving social, economic, environmental and cultural wellbeing. The Act requires public bodies to act collectively, plan for the long-term, involve people and communities in decision making, prevent problems occurring and take a joined-up approach to assessing wellbeing and planning. Monitoring and accountability structures include the establishment of a Future Generations Commissioner, whilst progress is monitored and reported against using National Indicators and reporting as part of the UK to the United Nations International Sustainable Development Goals. The Act represents a milestone for public health, with health and equality goals on par with goals for the environment and economy and a clearer articulation of the social and economic determinants of health. The presentation will provide a short introduction to the background and development of the legislation, but the main focus will be on what is being done to drive and support implementation at various levels of operation; for individuals, for teams, for organisations and for government and systems in order that the potential reach of the legislation is realised.