Nick Wallis is an international award-winning broadcast journalist, widely regarded as the country’s leading expert on the Post Office Horizon IT scandal, which saw more than 600 innocent Post Office workers given criminal convictions on the basis of faulty IT evidence and is the subject of his best-selling book, “The Great Post Office Scandal”. Nick has produced, presented and consulted on three Panorama episodes about the Post Office scandal. He was also a consultant on the ITV Drama, “Mr Bates vs The Post Office”. He is the presenter and co-writer of the award-winning BBC Radio 4 series The Great Post Office Trial and has recently started work at Talk TV as a presenter.