[4] In addition to his parliamentary activities, Dussopt worked on Manuel Valls’ campaign team in the Socialist Party's primaries for the 2017 presidential election.

[5] Following the 2017 French legislative election, he was among a minority that voted against the Philippe government's proposal for the 2018 national budget.

[6][7] On 27 November 2017, Dussopt was appointed by President Macron to the position of Secretary of State to the Ministry of Public Action and Accounts, under the leadership of minister Gérald Darmanin.

In 2020, he created the new movement Territories of Progress with fellow minister Jean-Yves Le Drian.

[9] On 20 May 2020, French online investigative and opinion newspaper Mediapart revealed that the French utility company Saur gave him a present of lithographs by Gérard Garouste for a value of 2,000 euros in January 2017, just a few days before he announced a contract for a hydroelectric turbine with the same company in his town of Annonay.