Michael James Ellam CB (born 4 October 1968) is a British civil servant and former banker.
He held a succession of posts including Private Secretary to Chancellor Kenneth Clarke, Head of Debt and Reserves Management and Director of Policy.
[4][5][6] In 2009, he returned to HM Treasury as Director General International Finance continuing into the premiership of David Cameron.
[10][11] He was appointed a Companion of the Order of the Bath by Her Majesty Queen Elizabeth II in the 2014 New Year Honours for services to international finance policy.
[12] In January 2025, Ellam left his role at HSBC after being hired by Prime Minister Sir Keir Starmer as Second Permanent Secretary to the Cabinet Office, European Union and International Economic Affairs, tasked with leading a "reset" of UK-European Union relations.