Howell joined Christie’s in January 2013 as Global Head of Corporate Communications; responsible for all internal and external communications activity and corporate reputation spanning Europe, US and Asia.
From September 2008 Howell was with Barclays initially as Director of Corporate Affairs and latterly as Vice Chairman, Corporate Affairs. In this role he advised Barclays Executive Committee and The Board on strategic reputation issues covering media, public policy and community investment.
Prior to this he was Permanent Secretary, Government Communication, in the Cabinet Office from 2004-08 and a Founding Partner and Director of Brown Lloyd James, a corporate PR company.
He was Political Secretary to the Prime Minister from 1994-97, Director of Corporate and Government Affairs at Cable & Wireless from 1992-94, and Director of Corporate Affairs and a member of the Board of Management at the BBC from 1987-92. Howell was a Special Adviser in the Department of Employment and Department of Trade and Industry from 1984 – 1987.
He started his working life in the media at Capital Radio, the London commercial radio station and TVam, Britain's first commercial breakfast television channel.
Howell was awarded the CBE in August 1997. He is on the board of the Chichester Festival Theatre and a Trustee of the British Council.