Dame Philippa Jill Olivier Harris DBE (born 27 March 1967) is a British film and television producer. She co-founded Neal Street Productions in 2003 with Sam Mendes and Caro Newling. Harris was a script editor at ITV and Channel Four before becoming a development executive at BBC Films and then an executive producer for BBC Drama Serials. In that role her projects included Warriors and Love in a Cold Climate. Harris became Head of Drama Commissioning for the BBC in 2001. Commissions during her time there included Daniel Deronda and The Lost Prince. Harris has executive produced several films including Things We Lost in the Fire and Revolutionary Road starring Leonardo DiCaprio and Kate Winslet. For TV Harris produced Stuart: A Life Backwards featuring Tom Hardy and Benedict Cumberbatch and executive produced Call the Midwife, Penny Dreadful and The Hollow Crown and Britannia. Harris served as Adviser to the former leader of the Liberal Democrats Nick Clegg MP, with whom she had studied at Robinson College, Cambridge. For the film 1917 directed by Sam Mendes, Harris received various accolades, including an Academy Award for Best Picture nomination, two BAFTA Awards and a Golden Globe Award.