Simon Case

Simon Case
In office
9 September 2020  15 December 2024
Prime MinisterBoris Johnson
Liz Truss
Rishi Sunak
Keir Starmer
Preceded byMark Sedwill
Succeeded byChris Wormald
Downing Street Permanent Secretary
In office
22 May 2020  1 September 2020
Prime MinisterBoris Johnson
Preceded byJeremy Heywood (2012)
Succeeded bySamantha Jones (Acting; 2022)
Principal Private Secretary to the Prime Minister
In office
11 January 2016  10 May 2017
Prime MinisterDavid Cameron
Theresa May
Preceded byChris Martin
Succeeded byPeter Hill
Private Secretary to the Duke of Cambridge
In office
2018–2020
Preceded byMiguel Head
Succeeded byChristian Jones
Personal details
Born (1978-12-27) 27 December 1978
Bristol, England, UK
Spouse
Elizabeth Kistruck
(m. 2007)
Children3
EducationTrinity College, Cambridge (BA)
Queen Mary, University of London (PhD)

Simon Case CVO (born 27 December 1978) is a British civil servant who served as Cabinet Secretary and Head of the Home Civil Service from September 2020 to December 2024.

Case was Downing Street Permanent Secretary to Prime Minister Boris Johnson from May to September 2020. That role had been vacant for eight years after Jeremy Heywood left in 2012. From January 2016 to May 2017, Case served under David Cameron and Theresa May as Principal Private Secretary to the Prime Minister. In September 2024, Case announced his intention to resign before the end of the year on health grounds.