Liam Parker is a special adviser and communications director to foreign secretary Boris Johnson, appointed in October 2016 following Downing Street's failure to approve the appointment of Johnson's standing communications director, Will Walden. 
Prior to Parker's appointment, he worked for the Bank of England from April 2013 to September 2016, first as press secretary to the deputy governor, and then as press secretary to governor Mark Carney.
From April 2011 to April 2013, he worked as the media relations manager to the CEO of the Financial Services Authority.
From December 2007 to January 2011, he was press officer to the chief secretary at the treasury.
- Joe Watts, Boris Johnson loses trusted adviser after Downing Street fails to approve his job application, The Independent, 18 October 2016, accessed 3 February 2017.