She served as Parliamentary Under Secretary of State at the Home Office in 2019.
She was the Member of Parliament (MP) for South Ribble in Lancashire from 2015 to 2019, and also served as the Parliamentary Private Secretary to the Prime Minister from 2017 to 2019.
Ghiassi was privately educated at the Westholme School, and studied French and Persian at Pembroke College, Cambridge.
She qualified as a commercial property solicitor, and worked for Slaughter and May, and Bevan Brittan, before working for her family's commercial property business Tustin Developments Ltd.
She was first elected as MP for South Ribble in the 2015 general election, and was the first MP of Iranian heritage.