Diana is Chair of the National Housing Federation.
She was previously Chair of the Human Tissue Authority and of the charity Voluntary Service Overseas.
Diana was Chief Executive of Universities UK for 14 years, along with the Westminster Foundation for Democracy.
Her career includes roles as a leading trade unionist, and nonexecutive roles at pension schemes, listed companies and public interest bodies, including being a member of the Nolan/ Neill Committee on standards in public life.
She has also been Chair of the Board of the Property Ombudsman since 2018.
Diana was awarded a life peerage in 1999 in recognition for her public service.