David Frayman is a Research Economist at the LSE. His research appears in leading economics journals and shows how education and health policy can raise wellbeing. He trains public sector analysts in cost-benefit analysis and frequently speaks to policymakers on translating evidence into real world improvements in people's lives. Christian Krekel is Associate Professor of Behavioural Science and Co-Director of the Wellbeing Programme at the Centre for Economic Performance at LSE. He developed novel methods for policy analysis based on wellbeing data, including the 'WELLBY', which were adopted by the UK Treasury. Christian was awarded the Young Economist Award by the European Economic Association. Richard Layard is Co-Director of the Wellbeing Programme at the Centre for Economic Performance, and Emeritus Professor of Economics at the LSE. He is one of the world's leading experts on the economics of wellbeing. He has written six books on the subject including Happiness: Lessons from a New Science (2005; translated into 20 languages). Until 2000 he worked on unemployment, co-writing the leading book Unemployment (1991). He is a member of the Hose of Lords and an active campaigner for better policy-making. Sara MacLennan is a Resaearch Fellow at the Centre for Economic Performance, LSE. She co-authored UK Government guidance on how wellbeing evidence should be incorporated into policy development and analysis. Her career spans numerous roles as a Government Economist, cycling across continents, Head of Evidence at the What Works Centre for Wellbeing, alongside extensive experience teaching and designing courses for students and professionals. Isaac Parkes is a wellbeing researcher at the London School of Economics and the University of Oxford. He has served as an expert advisor to the HM Treasury's Green Book Supplementary Guidance on Wellbeing.