In government
Griffith was elected as Member of Parliament for Arundel and South Downs at the 2019 general election with 57.9% of the vote and a majority of 22,521 votes.[26] He stood down from his role as the Prime Minister's chief business adviser upon his election to Parliament.[27][28]
On 10 November 2020, he was appointed as a member of the Public Service Broadcasting Advisory Panel, to provide independent expertise and advice as part of the Government's strategic review of public service broadcasting.[29] A week later, on 17 November 2020, Griffith was appointed by Boris Johnson to be the UK's Net Zero Business Champion, a role designed to support UK businesses to make plans to become net zero by 2050 in the run up to the UN Climate Summit at Glasgow in November 2021.[30]
On 17 September 2021, Griffith was appointed Parliamentary Private Secretary to the Prime Minister Boris Johnson, alongside Sarah Dines, in the second Cabinet reshuffle of the second Johnson ministry.[31]
Griffith is the founder of and, until his appointment as Minister, co-chaired with the Lord Rees of Ludlow, Astronomer Royal, the All-Party Parliamentary Group for Dark Skies.[32]
On 3 February 2022, Griffith became Parliamentary Secretary in the Cabinet Office (Minister for Policy) and Director of the Number 10 Policy Unit,[33] following the resignation of Munira Mirza.[34]
On 6 June 2022, after a vote of no confidence in the leadership of Boris Johnson was called, Griffith announced that he would be supporting the Prime Minister.[35]
Griffith was appointed Parliamentary Under-Secretary of State (Minister for Trade) in the Department for International Trade on 8 July 2022.[36]
On 7 September 2022, he was appointed Financial Secretary to the Treasury.[37]
Following the succession of Rishi Sunak as Prime Minister, Griffith was appointed as Economic Secretary to the Treasury on 27 October 2022.[37] In this role, he worked on the Financial Services and Markets Act 2023 and was lead Treasury Minister on the rescue of Silicon Valley Bank UK, the emergency acquisition of Credit Suisse by UBS, and during the ‘LDI’ crisis.[38]
During Sunak's November 2023 reshuffle, Griffith was promoted to Minister of State for Science, Research and Innovation in the Department for Science, Innovation and Technology.[37]
