Timandra Harkness is a regular on BBC Radio 4, writing and presenting How To Disagree, a beginner’s guide to having better arguments and FutureProofing, a series looking at the social impact of new big ideas. She presents documentaries including Data, Data Everywhere and Personality Politics, and was resident reporter on social psychology series The Human Zoo. Her book Big Data: does size matter? was published by Bloomsbury in 2016, revised in 2017. Timandra is a visiting fellow in the University of Winchester Centre for Information Rights, a Fellow of the Royal Statistical Society and a member of their Data Ethics group.