Dominic Cummings entered Downing Street last week having been hired by the new prime minister, Boris Johnson, to deliver Brexit “by any mean necessary”. The move follows Cummings’ successful stint as campaign director of the Vote Leave campaign in 2016, which set Britain on the course for Brexit.

But just who is he and what can we expect from him as Boris Johnsons right hand man?

John Rentoul,  Chief Political Commentator with The Independent joined Joe Molloy to tell him more about Dominic Cummings career to date and what we can expect from going forward.