Katie Perrior is a British political advisor. As of 2016, she is Director of Communications at 10 Downing Street under Theresa May. She took the role with May's appointment, succeeding Craig Oliver. Perrior is a public relations worker who worked on Boris Johnson's 2008 mayoral campaign. She also formerly worked for the company iNHouse Communications and served as a director of the Ebbsfleet Development Corporation.