Prof Sally Sheard is Executive Dean of the Institute of Population Health at the University of Liverpool, where she also holds the Andrew Geddes and John Rankin Chair of Modern History. She is a health policy analyst and historian, with a research focus on the interface between expert advisers and policymakers. Sally collaborates with local authorities and NHS trusts, and has written for and appeared in numerous television and radio programmes. In 2018 she wrote and presented the twenty-part BBC Radio 4 series National Health Stories, to mark the seventieth anniversary of the NHS. Her previous books include The Passionate Economist: how Brian Abel-Smith shaped global health and social welfare (Policy Press, 2013) and, with Philip Begley, Making Genetics and Genomics Policy in Britain: from Personal to Population Health (Routledge, 2022).