He became 1st vice-president delegated to the economic development and innovation of the Pays de la Loire region.

[3] In 2014, he was 9th on the left list and was beaten in Sainte-Luce in a general context of defeat for the PS in the 2014 French municipal elections.

Christophe Clergeau has chaired the Union Régionale PS des Pays de la Loire since 2009.

Since the summer of 2013, he has been a member of the Board of Directors of the French Agency for International Investments (AFII) and he represents the Regions within of the National Council for Ecological Transition.

[9] In this capacity, he has been his group’s rapporteur on a European Commission proposal to legalize new gene-editing technologies for crops (2023).