David Spiegelhalter is Chair of the Winton Centre for Risk and Evidence Communication in the University of Cambridge, which aims to improve the way that statistical evidence is used by health professionals, patients, lawyers, media and policy-makers. Apart from academic publications, he has written The Norm Chronicles (with Michael Blastland), Sex by Numbers, and the recently-published The Art of Statistics. He presented the BBC4 documentaries Tails you Win: the Science of Chance and the award-winning Climate Change by Numbers. He was elected Fellow of the Royal Society in 2005, knighted in 2014 for services to medical statistics, and was President of the Royal Statistical Society for 2017-2018. His greatest achievement came in 2011, when he was 7th in an episode of Winter Wipeout.