In the lead-up to the municipal elections in 2026, Lucie Castets has been appointed to lead the non-LFI left list for the 12th arrondissement of Paris, succeeding Emmanuelle Pierre-Marie. This change comes after Pierre-Marie, the outgoing écologist mayor, faced significant criticism and accusations surrounding her management style, which has been labeled 'toxic' by former staff members. Pierre-Marie's tenure has been characterized by high staff turnover and reported dysfunction within her administration, prompting her to step down from her role.

Castets, previously a left-wing candidate for the primaries for Matignon, has accepted this pivotal role amid a turbulent political landscape in the district. The announcement was confirmed by her campaign team, which highlighted the incumbent's problematic leadership as a catalyst for change in the local political environment. As Castets takes on this new responsibility, her leadership will be critical in addressing the challenges faced by the left in this arrondissement and attempting to restore confidence among constituents.

The dynamics within the 12th arrondissement are reflective of broader trends in French politics, especially concerning the left's organization and direction. Castets's appointment is seen as a strategic move aimed at revitalizing the left's presence and credibility ahead of the municipal elections. Those watching the political landscape will be keen to see how Castets navigates the hurdles posed by the previous administration’s controversies and how she can engage the electorate to strengthen the left’s position in Paris.