In 2022, he stood for Parliament for the centre-right party Horizons, part of President Emmanuel Macron's Ensemble Citoyens coalition.

[1] In contrast to his parents and his classmates at University of Corsica Pasquale Paoli, he joined the French right-wing party Rally for the Republic at 17.

[1] He studied Public Law and History and wrote a master's degree thesis on Charles de Gaulle's relations with Corsica.

[1] In 2012, Marcangeli became Corsica's youngest member of the National Assembly, winning an election against Ajaccio's Socialist Mayor Simon Renucci to represent Corse-du-Sud's 1st constituency.

[5] Marcangeli endorsed former Prime Minister Alain Juppé in the primaries to represent The Republicans in the 2017 French presidential election.

His nomination, Un soffiu novu, was endorsed by the Republicans, the Bonapartist Central Committee and the Union of Democrats and Independents.

[11] Marcangeli stood again in Corse-du-Sud's 1st constituency in the 2022 French legislative election as a member of Horizons, within President Emmanuel Macron's Ensemble Citoyens coalition.