Johnson worked as a journalist before entering parliament in 2001 as Conservative MP for Henley. From 2008 to 2016 Johnson served as Mayor of London, returning to parliament as MP for Uxbridge and South Ruislip in 2015. Johnson was a prominent member of the campaign to leave the European Union during the 2016 Referendum. Having served as Foreign Secretary for part of Theresa May's premiership, Johnson became Prime Minister in 2019.
Wikipedia Entry: https://en.wikipedia.org/wiki/Boris_Johnson