John McDonnell John McDonnell John Martin McDonnell (born 8 September 1951) is a British Labour Party politician who was appointed the Shadow Chancellor of the Exchequer in September 2015. He has been the Member of Parliament (MP) for Hayes and Harlington since the 1997 general election. He has served as chair of the Socialist Campaign Group in Parliament and the Labour Representation Committee, and was the chair of the Public Services Not Private Profit Group. He is also parliamentary convenor of the Trade Union Co-ordinating Group of eight left-wing trade unions representing over half a million workers. McDonnell attempted to stand for
George Osborne leadership campaign. Cameron then appointed him Shadow Chancellor of the Exchequer and, after the 2010 general election, Chancellor of the Exchequer in the Conservative–Liberal Democrat coalition government. As Chancellor, Osborne pursued austerity policies aimed at reducing the budget deficit and launched the Northern Powerhouse initiative. After the Conservatives won an overall majority in the 2015 general election, Cameron reappointed him Chancellor in his second government and gave him the additional title of First Secretary of State. During the premiership of David Cameron, George Osborne was widely viewed as a potential future Leader of the Conservative Party; one Conservative MP suggested