British Labour politician who has gained fame as a Member of Parliament (MP) representing Hayes and Harlington, a post he was elected to in 1997. He was appointed Shadow Chancellor of the Exchequer in 2015 as a prominent left-wing voice in Parliament.
He earned his B.A. in government and politics from Brunel University. He gained his master's in sociology and politics from Birkbeck College at the University of London.
He campaigned for Labour Party leadership in 2007 and 2010.
He has three children from two marriages.
He served under Jeremy Corbyn while the Shadow Chancellor of the Exchequer in Parliament.