Education
Born in Ayrshire, Duncan attended the Ardrossan Academy in Ardrossan, North Ayrshire and was educated at the University of Birmingham where he obtained a Bachelor of Commerce in 1985.
Born in Ayrshire, Duncan attended the Ardrossan Academy in Ardrossan, North Ayrshire and was educated at the University of Birmingham where he obtained a Bachelor of Commerce in 1985.
He later worked as a business and communications consultant for Mackays Stores Limited from 1985-1988 in addition to running the family textile business - John Duncan & Son from 1988-2000. Duncan later stood for election to the very parliament he initially opposed. He was elected to the House of Commons at the 2001 general election, taking the Galloway and Upper Nithsdale seat from the Scottish National Party.
This made him the sole Conservative Member of Parliament for the whole of Scotland and the first Conservative Member of Parliament from Scotland since 1997.
In November 2003 he was appointed Shadow Secretary of State for Scotland by new party leader Michael Howard and he was later named as Chairman of the Scottish Conservative Party. His constituency was abolished for the 2005 general election and replaced by Dumfries and Galloway.
In the 2007 local elections, the first to take place under the Single Transferable Vote system, he was one of several new Conservative councillors elected to Dumfries and Galloway council. He stood as the Conservative candidate for the Dumfries and Galloway seat at the 2010 general election.
He was defeated by the incumbent Russell Brown again, with a -3.7% swing against.
53rd United Kingdom Parliament]
He was the Member of Parliament (Member of Parliament) for Galloway and Upper Nithsdale from 2001 to 2005. In September 1997, he appeared as a member of the audience during a Scottish Television debate about the devolution referendum, and spoke opposing the establishment of a Scottish Parliament.