Oliver Letwin, English philosopher and politician, Chancellor of the Duchy of Lancaster

Sir Oliver Letwin is a British politician, Member of Parliament (MP) for West Dorset from 1997 to 2019. Letwin was elected as a member of the Conservative Party, but sat as an independent after having the whip removed in September 2019. He was Shadow Chancellor of the Exchequer under Michael Howard and Shadow Home Secretary under Iain Duncan Smith. He was Chancellor of the Duchy of Lancaster from 2014 to 2016.

The Chancellor of the Duchy of Lancaster is a ministerial office in the Government of the United Kingdom. Excluding the prime minister, the chancellor is the highest ranking minister in the Cabinet Office, immediately after the prime minister, and senior to the Minister for the Cabinet Office. The role includes as part of its duties the administration of the estates and rents of the Duchy of Lancaster.