Alexander Boris de Pfeffel Johnson (born 19 June 1964) is a British politician and journalist. He was the Prime Minister of the United Kingdom, and the Leader of the Conservative Party from 23 July 2019 to 5 September 2022. Johnson was the Member of Parliament for Uxbridge and South Ruislip from 2015 to 2023. He represented the constituency of Henley from 2001 to 2008. 