Matthieu was born in Châteauroux, France, and studied at the European Acting School, Cours Florent, in Paris.

Currently based in New York City, he has expanded his creative work through photography, filmmaking, and performance art. His recent work explores various media, including alcohol ink, collage, and pastels, and has been exhibited in both solo and group exhibitions at art galleries such as envoy enterprises, Empirical Nonsense, and La MaMa in New York.

Matthieu has made notable contributions to independent cinema and international films, including Coelho Mau (Bad Bunny), which premiered at the 70th Cannes Film Festival and was nominated for the Queer Palm. His performance in Um Fio De Baba Escarlate (Name Above Title), a Giallo serial killer fever dream directed by Portuguese filmmaker Carlos Conceição, earned him the CinEuphoria Award for Best Actor in a leading role. Both films, directed by Conceição, have received multiple awards across continents.

Matthieu’s other prominent work includes a role in Kurt Sutter’s FX drama series The Bastard Executioner, alongside Stephen Moyer and Katey Sagal, as well as the oracular short film Les Nouvelles Folies Françaises, directed by Thomas Blanchard.

As a model, Matthieu has collaborated with singer-songwriter Frank Ocean, artist duo Pierre et Gilles, and fashion photographers Ricardo Gomes and Nicolas Wagner. His work has been featured in publications such as Out, V, i-D, Les Inrockuptibles, BUTT, CRUSH, Citizen K, and Têtu.