Mark Julian Byford (born 13 June 1958) was Deputy Director-General of the BBC and head of BBC journalism from 2004 to 2011. He chaired the BBC Journalism Board and was a member of the BBC Executive Board for thirteen years. His responsibilities also included BBC Sport, the nations and regions (BBC Scotland, Wales, Northern Ireland and English regions) and editorial policy. He led the BBC-wide coverage of the general elections in 2005 and 2010; the Beijing Olympic Games in 2008; and the BBC coverage of the Queen Mother's Funeral in 2002 and the Royal Wedding in 2011.