Milner joined News International in 1981. His latest role spanned across the company's national newspapers – The Times, The Sunday Times, News of the World, and The Sun – in operations, distribution, procurement and content delivery.
His departure at the end of the year is said to be of "mutual consent" and he will not be replaced directly.
Milner took up the role of as part of a restructure instigated by James Murdoch, chairman and chief executive, Europe and Asia for News Corporation.
Rupert Murdoch, chairman and chief executive of News Corporation, said: "Clive has been my colleague at News International for 30 years and in that time I have had great regard for the skill with which he helped create the successful company we see today.
"Clive is a professional newspaperman of the highest calibre who has served both his company and the whole industry in the UK with distinction. We all wish him well in the future."
Milner is married to Camilla Rhodes, a former executive at News International who ran its now
He is a high-profile figure across the newspaper industry and has previously served as chairman of its trade body, the Newspaper Marketing Agency (NMA).
His previous roles at News International include group managing director of its national newspapers, managing director of Times Newspapers and prior to that managing director of The Sun and The News of the World.
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