She became a lecturer before moving on to hold a number of senior positions in the NHS and then the regulation of legal services.

In this role she was responsible for the Northern and Yorkshire Region of the NHS with a budget of £3.5 billion and serving a population of 6.3 million.

During this period Manzoor made improvements in the way legal professional bodies, such as the Law Society and the Bar Council, dealt with complaints from members of the public.

In 2004 the Lord Chancellor also appointed Manzoor to the role of Legal Services Complaints Commissioner for England and Wales.

Effective 2 August 2019, Manzoor will take up the post of Chairman of the Board at the Financial Ombudsman Service replacing Nicholas Montagu.

On 6 September 2013, she was created a life peer taking the title Baroness Manzoor, of Knightsbridge in the Royal Borough of Kensington and Chelsea.