Morgan McSweeney

Morgan_McSweeney

Morgan McSweeney (born 1977) is an Irish and British political strategist. He has served as Downing Street Chief of Staff under Prime Minister Keir Starmer since October 2024. McSweeney was the campaign manager for the Labour Party and director of the think tank Labour Together.

McSweeney built a reputation as a Labour organiser, leading successful campaigns to win a majority on the Lambeth London Borough Council and to defeat the far-right British National Party in Barking and Dagenham. In 2017, he formed Labour Together during the Labour Party leadership of Jeremy Corbyn, where he sought to replace Corbyn and to reduce left-wing influence in the party. In 2020, he led Starmer's successful Labour leadership campaign and subsequently Labour's successful campaign in the 2024 general election.