Former editor of The Sun, Kelvin MacKenzie started his media career when he was 16.
In 1982 Kelvin MacKenzie was appointed editor of The Sun.
Kelvin MacKenzie stayed there for 12 years.
Kelvin MacKenzie's subsequent roles included being managing director of BSkyB and deputy chief executive and group managing director of Mirror Group.
In November 1998, Kelvin MacKenzie became chairman and chief executive of the Wireless Group plc, which owned Talk Radio, which re-launched as talkSPORT.
In 2005, The Wireless Group was sold to Ulster TV.
In May 2007 Kelvin Mackenzie presented A Tabloid Is Born, on the BBC.
Since then, Kelvin MacKenzie's media activity has included standing in for Nick Ferrari on LBC, and appearing on Sport Relief Does The Apprentice on the BBC and It Pays to Watch on Channel Five.
In 2009 he presented Jack the Ripper: Tabloid Killer Revealed on Channel 5.
