TalkTalk chief government Dido Harding is to go away the telecoms group in Might, the agency has introduced.
The agency’s present managing director Tristia Harrison has been appointed as her alternative.
It was also announced that founder Sir Charles Dunstone will turn into TalkTalk’s government chairman after stepping down as chairman of Dixons Carphone in Might.
Ms Harding, who took the helm in October 2010, has led the agency for the previous seven years.
She was chief government in 2015 when hackers attacked the broadband supplier’s web site, stealing confidential buyer knowledge.
The agency estimated the cyber-attack, which divulged some customers’ monetary particulars, value it as much as £35m in one-off prices.
Ms Harding, who can also be a member of the Home of Lords and a trustee of digital inclusion charity Doteveryone, mentioned she wished to focus extra on her public service actions.
“Between now and Might, we’ll work collectively on a handover that maintains concentrate on this years’ efficiency and allows the brand new group to organize for the subsequent monetary yr and past,” she added.
Sir Charles, the founding father of Carphone Warehouse, who created TalkTalk in 2002, will stay as a senior adviser to Dixons Carphone.
He mentioned the agency, which was created by way of a merger between Dixons and Carphone Warehouse three years in the past, remained “a vital a part of my life”.
“I stay a dedicated shareholder and, in my new function as a senior advisor, I’ll proceed to take an lively curiosity within the enterprise,” he added.
Sir Charles’ will be replaced as chairman of Dixons Carphone by Lord Livingston, a former chief government of BT.