Edward Samuel Miliband (born 24 December 1969) is a British politician who was Leader of the Labour Party as well as Leader of the Opposition between 2010 and 2015. He became the Member of Parliament (MP) for Doncaster North in 2005, being re-elected in 2010, 2015, and 2017, and served in the Cabinet from 2007-10 under Prime Minister Gordon Brown.

Miliband was born in the Fitzrovia district of Central London to Polish Jew immigrants, Marion Kozak, and Ralph Miliband (died 1994); a Marxist intellectual who was a native of Brussels that fled Belgium during World War II. He graduated from Corpus Christi College, Oxford and later from the London School of Economics. Miliband became first a television journalist, then a Labour Party researcher and a visiting scholar at Harvard University, before rising to become one of Chancellor Gordon Brown's confidants and Chairman of HM Treasury's Council of Economic Advisers.

Miliband was elected to the House of Commons in 2005. Prime Minister Tony Blair made Miliband Parliamentary Secretary to the Cabinet Office in May 2006. When Gordon Brown became Prime Minister in 2007, he appointed Miliband Minister for the Cabinet Office and Chancellor of the Duchy of Lancaster. Miliband was subsequently promoted to the new post of Secretary of State for Energy and Climate Change, a position he held from 2008-10.

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