Professor Dennis C. Grube is Professor of Politics and Public Policy in the POLIS Department at the University of Cambridge, and a Fellow of Girton College. He is Acting Director of the Bennett Institute for Public Policy, where he also leads the research programme on decision-making in government. His research interests include political decision-making, administrative leadership, institutional memory, and the role of political rhetoric in public policy.

Professor Sir John Aston is Harding Professor of Statistics in Public Life at the University of Cambridge. He leads research into the use of quantitative evidence in public policymaking, works with those in public life to ensure the best methods are used, and aims to improve the use of statistics and other quantitative evidence in public policy debates. He also works with statistics in healthcare, particularly medical imaging, and is Co-Director of the Cambridge Mathematics of Information in Healthcare Hub. From 2017-20, John was seconded to the Home Office as Chief Scientific Adviser and Director-General for Science, Technology, Analysis, Research and Strategy (STARS). Here he not only worked in an advisory capacity, but also supervised and commissioned research. He was awarded a knighthood in the 2021 Queen’s Birthday Honours for services to statistics and public policymaking.