Alasdair Rae is the founder of Automatic Knowledge Ltd, a UK-based data and insights company, focusing on spatial data analysis and the built environment. Prior to that, he was a Professor of Urban Studies and Planning at the University of Sheffield. He is a Fellow of the Royal Scottish Geographical Society, a recipient of the Royal Town Planning Institute′s Sir Peter Hall award for Wider Engagement, a former Commissioner of the UK2070 Commission, and a winner of the Royal Statistical Society’s ‘Stat of the Year’. His most recent academic work has focused on spatial analysis, deprivation, housing markets and megaregions, and his work frequently appears in the national and international media. He has a PhD from the University of Liverpool, an MA from The Ohio State University and a BA from the University of Strathclyde. Cecilia Wong is Professor of Spatial Planning and Director of Spatial Policy and Analysis Lab of the Manchester Urban Institute, the University of Manchester. She is Fellow of the UK Academy of Social Sciences; Fellow of the Royal Town Planning Institute; and Chair of the UK 2021 Research Excellence Framework ‘Architecture, Built Environment and Planning’ sub-panel. She has research expertise in strategic spatial planning, policy monitoring and analysis, urban and regional development, and housing and infrastructure planning, and urban planning in China. She was a commissioner of the UK2070 Commission on Regional Inequalities, a commissioner of the Labour Party’s Lyons Independent Housing Review, a member of Department for Communities and Local Government’s expert panel on housing and planning, an expert panel member of the European Commission’s Urban Audit II, and an expert group member of the UN-Habitat City Prosperity Index.