Diane Coyle

Diane Coyle is the Bennett Professor of Public Policy at the University of Cambridge, where she co-directs the Bennett Institute and spends her days arguing that the numbers we use to run the economy are quietly out of date. A former economics editor at The Independent turned academic, she has written ten books, including the surprise hit GDP: A Brief but Affectionate History and her 2025 work The Measure of Progress. She has helped shape UK competition policy, sat on the BBC Trust, advised the Competition and Markets Authority, and was made a Dame in 2023 for services to economics.