Timandra Harkness is a writer, comedian and broadcaster who performs on scientific, mathematical and statistical topics. She has written for newspapers and magazines including the Daily Telegraph, Sunday Times, WIRED, BBC Focus, Men's Health and Significance. Her work on BBC Radio 4 includes documentaries The Singularity and Data, Data Everywhere. She is the author of the book Big Data: Does Size Matter? Since it began, she has also been the moderator of the Data Debate series of events held in collaboration between the Alan Turing Institute and the British Library which can be viewed on the Turing's YouTube channel.