As Chief Cashier at the Bank of England, Sarah John is responsible for issuing all Bank of England banknotes. The third woman to occupy the post in the Bank’s 328-year history, her signature can be found on the new polymer notes – including the £50 note featuring King’s alumnus Alan Turing. Alongside her role, Sarah is Executive Sponsor of the Bank’s Parents+ network, helping employees balance work with parenthood. She studied Economics at King’s.