Munby was born in May 1982. As a schoolgirl, she was a member of the runner-up team in the 2000 World Schools Debating Championships held in Pittsburgh, USA. [2]
Munby has a PPE degree from Oxford and a Master's degree in Economics from the LSE.
Career
Munby started her career working as a civil servant at the Department for Environment, Food and Rural Affairs, as an economist.[3] She later worked for the management consultancy McKinsey & Company for fifteen years, where she "led the company's strategy and corporate finance practice in the UK and Ireland".[4][5] She joined the Department for Business, Energy and Industrial Strategy (BEIS) in July 2019 as director general for business sectors.[6] The permanent secretary at BEIS, Alex Chisholm, became chief operating officer of the civil service in April 2020. Munby replaced Sam Beckett, who served as acting permanent secretary at BEIS, as permanent secretary in July 2020.[4]
In February 2023, Munby's department was split into three and she became Permanent Secretary of the newly-established Department for Science, Innovation and Technology.[7]
In March 2024, Munby became embroiled in the scandal of Michelle Donelan using government funds to settle a libel claim made against her.
In April 2024, Munby was implicated in the Post Office scandal for applying pressure on the CEO of Post Office to cut costs, including on Horizon's replacement and compensation for sub postmasters innocent of wrongdoing. [8]