Heidi Allen, born 18 January 1975, is a British politician and MP. On 20 February 2019, Allen resigned from the Conservative Party to join the The Independent Group. On 29 March 2019, it was announced that The Independent Group had applied to become a political party under the name Change UK, and that Allen would be appointed interim leader. On 29 March 2019, she was announced as interim leader of newly-christened Change UK. Read Heidi Suzanne Allen Biography and Profile.