Matthieu joined Meridiam in 2011. He was previously working for the French Ministry of Transport, where he was head of concession operations since 2008, in charge of managing highway concession contracts covering à 8,000 km network. Prior to serving in the public sector, Matthieu had worked in management consulting and in an industrial company in the United States.

Matthieu graduated from Ecole Polytechnique and Ecole des Ponts.