Lachlan Murdoch’s closest adviser, Siobhan McKenna, is retiring from News Corp and from her overarching position as CEO of broadcasting at the company, its global boss, Robert Thomson, confirmed on Thursday morning.

McKenna, who is considered the most influential figure within the News Corp stable in Australia, had her official duties reduced after she steered through the sale of Foxtel earlier this year to British streamer DAZN.

News Corp’s Siobhan McKenna will retire at the end of the year. Credit: Justin McManus

“Her decision, as it is her decision, is essentially epochal as Siobhan has been a transformational force during her years with News Corp,” Thomson said in his note to staff.

“She leaves a luminous legacy, and will be missed by me and by all those who have had the privil

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