[citation needed] Corby’s early career was in private equity in the City of London.

Corby joined the Management Committee of the Parole Board in 2015 and became chair in April 2018, succeeding Nick Hardwick.

The Parole Board is an independent body which decides whether prisoners in England and Wales can be safely released into the community.

The PSA reviews the work of the ten statutory regulators of health and care professionals, accredits organisations that register health and care practitioners in unregulated occupations and gives policy advice and encourages research to improve regulation.

[citation needed] Corby was a board member (2014-2019) of the Criminal Cases Review Commission, which reviews possible miscarriages of criminal justice in England, Wales and Northern Ireland, She has been a board member of Cafcass, (2014-2021) which safeguards the welfare of children in the Family Courts in England.