Adam Spencer is a mathematician and previous world champion debater. He has been a breakfast radio announcer on Triple J and ABC Sydney. Adam serves on the Board of Directors of the children's cancer charity Redkite and is a best selling author of 'The Big Book of Numbers' and 5 other publications promoting popular mathematics. In 2013, he delivered a TED Talk on massive prime numbers which has 2,000,000+ views and is regularly voted as one of the top ten mathematics talks at TED. On a lighter note, Adam was the Number 1 Ticket Holder for the Sydney Swans in 2016.