Duncan has written on many areas of public policy, including local government spending, rail renationalisation, US fiscal policy and the National Union of Students.
Prior to his current position at the TPA, Duncan worked for Douglas Carswell MP as his parliamentary assistant, and subsequently helped to set up and run the Parliamentary Resource Unit in 2015.
This was a diverse role, undertaking research on all legislation before parliament, advising on procedure, and producing policy papers on the family courts system and UK defence procurement. He started his career at EY as a banking auditor.
Duncan holds an MSc International Relations from the University of Amsterdam and read PPE at the University of Manchester, which also included time at the University of North Carolina.