At the same time, it is carving out £2billion in savings, largely by slashing thousands of jobs and reducing its number of offices from 300 to 30.
The shake-up is the biggest in a generation at BT. Jansen wants BT to be seen as an exciting tech business with growth potential, not as a tired old former nationalised industry.
But his drastic actions have also brought turmoil and the threat of nationwide strikes for the first time since 1987.
The decision by chairman Jan du Plessis to leave this year is said to have been prompted by disagreements between the two men over the pace of change.
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Keir Starmer is not highly rated by voters in the consituency (Getty Images)
Labour is on course to lose Hartlepool to the Conservatives for the first time in over half a century, according to a new poll of voters in the constituency.
Ahead of a parliamentary by-election in the town on 6 May pollster Survation found the Tories winning 49 per cent of the vote in the seat, compared to 42 per cent for Labour.
And in a surprise development, the Northern Independence Party clocks in at third place, ahead of the Liberal Democrats, Greens, and Reform UK (formerly known as the Brexit party).
Hartlepool by-election poll shows Tories edge ahead - but lots of voters are still undecided
It would appear a significant proportion of 2019 Brexit Party voters have moved to the Conservatives (Image: Ian Forsyth/Getty Images, Stefan Rousseau-WPA Pool/Getty Images)
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Sir Keir Starmer is on course for a humiliating defeat in Hartlepool s by-election as a new poll shows the Tories have a seven-point lead.
Conservative candidate Jill Mortimer is set to win with 49 per cent of the vote at Labour stronghold Hartlepool in next month s by-election, a Survation poll has revealed.
Meanwhile, Labour s Candidate Dr Paul Williams is set to take home just 42 per cent, a rise of only four points on the share won by Mike Hill in the 2019 general election.
Mr Hill resigned last month in the wake of reports that he used taxpayers money to fight a staff member s claim of unfair dismissal, sexual assault and harassment. He has denied the allegations.