The Swedish baritone Peter Mattei studied at the Royal Music and Opera Academies in Stockholm.

He made his opera début in La finta giardiniera at the Drottningholm Court Theatre in 1990. He has appeared in leading rôles in The Bacchae (with Ingmar Bergman), Die Zauberflöte, The Maid of Orléans, Don Carlos, Yevgeny Onegin, Le nozze di Figaro, Il barbiere di Siviglia, Don Giovanni (with Peter Brook), La Bohème, Tannhäuser, and L’elisir d’amore at the Royal Swedish Opera, Göteborgs Opera and in leading opera houses around the world, including the Metropolitan Opera, Aix-en-Provence, Lyric Opera Chicago, Teatro alla Scala, Théâtre de la Monnaie in Brussels, Glyndebourne and Salzburg Festivals and in concert performances including Les Troyens with Sir Colin Davis.