Professor Sir David Spiegelhalter specialises in medical statistics. He is the Chair of the Winton Centre for Risk and Evidence Communication at Cambridge University, and one of the most frequently cited experts in his field. During the Covid 19 pandemic, he has made regular appearances as a broadcaster and newspaper commentator, analysing and explaining complex data for a general audience.

David was born in Barnstable, the youngest of three children. After studying maths at Oxford University and University College London, he spent a year teaching at the University of Berkeley, California before returning to the UK. He has also worked in the field of computer-aided diagnosis. His expertise was called upon in the Bristol Royal Infirmary Inquiry and the Harold Shipman Inquiry.

He was knighted in 2014 for his services to medical statistics.

Presenter Lauren Laverne
Producer Sarah Taylor