Rishi Sunak's top spin doctor has quit Downing Street after less than a year in the job.

Amber de Botton had a decade-long career as a broadcast journalist at outlets including Sky News and ITV before she was hired by the Prime Minister a few days after he took office last year.

The Jewish advisor served as Sunak's director of communications, helping the government to deal with the fall out from Liz Truss's short lived spell in power.

Writing on Twitter, she said: "It has been an honour and a privilege to serve as the Prime Minister's director of communications but I have decided it is the right time to move on.

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Rishi Sunak in the House of Commons during Prime Minister's Questions (Photo: House of Commons)

"I would like to take this opportunity to thank the Prime Minister for his support and his leadership.

"The team he has built around him is dedicated and focused because those are the qualities he inspires. I also want to thank my colleagues - No 10 is a demanding and high pressure place to work - yet the professionalism and talent they display every day is exceptional."

Du Botton started her career as a parliamentary reporter before becoming a broadcast journalist.

She was appointed deputy head of politics at Sky News in 2012, before joining ITV News as head of politics in 2017.

Jamie Njoku-Goodwin, the chief executive of UK Music, is due to join Downing Street as Sunak's director of strategy.