Dido Harding

The Baroness Harding of Winscombe
Harding in 2023
Chief Executive of the UK Health Security Agency
Interim
18 August 2020 – 7 May 2021
Prime MinisterBoris Johnson
Preceded byDuncan Selbie (CEO of Public Health England)
Succeeded byJenny Harries
Head of NHS Test and Trace
In office
7 May 2020 – 7 May 2021
Prime MinisterBoris Johnson
Preceded byOffice established
Succeeded byJenny Harries
Chair of NHS Improvement
In office
9 October 2017 – October 2021
Prime MinisterTheresa May
Boris Johnson
DeputyRichard Douglas
Andrew Valentine Morris
Preceded byEd Smith
Succeeded byAndrew Valentine Morris
Member of the House of Lords
Life peerage
15 September 2014
Personal details
BornDiana Mary Harding
November 1967 (age 58)
PartyConservative
Spouse
​
(m. 1995)​
Children2
Parent
RelativesJohn Harding, 1st Baron Harding of Petherton (grandfather)
EducationMagdalen College, Oxford
Harvard Business School (MBA)

Diana Mary "Dido" Harding, Baroness Harding of Winscombe is a Member of the House of Lords and a British businesswoman, formally the Chief Executive of the TalkTalk Group from 2010 to 2017. She has held a number of senior positions at other British businesses. She is Chair of The Jockey Club, which is responsible for several major horse racing events including the Cheltenham Festival.

Baroness Harding has also held a successful career in the public sector, appointed as Executive Chair of NHS Test and Trace in May 2020, which was established to track and help prevent the spread of COVID-19 in England. Harding was also appointed interim chief executive of the then National Institute for Health Protection, later renamed the UK Health Security Agency. She left that role soon after the new agency was established in April 2021.