[3] Sinclair was a director of Deloitte and a former chief executive of the TaxPayers’ Alliance think tank.
[6] Sinclair was an important figure in her economic agenda of cutting taxes.
[7] He reportedly supported scrapping HS2 and the Equality and Human Rights Commission.
[8] He also supported a reduction in the number of government departments and the abolishment of the Green Investment Bank.
In 2023, he was appointed director of the UK branch of the Computer & Communications Industry Association.