Mattias Ermedahl trained at the University College of Opera in Stockholm.
Over the past few years, he has directed Death Knocks by Woody Allen and Christian Joost at Kronhuset in Gothenburg, Romeo and Juliet in the performance Starcross’d Lovers in Vadstena, and Fridas Visor and La serva padrona at the Göteborg Opera.
He has been a singer with the Göteborg Opera since 1994, performing in a number of roles including Eisenstein in Die Fledermaus, Count Almaviva in The Barber of Seville and Pedrillo in Die Entführung aus dem Serail. Previous roles include First Chief Technician in Aniara, followed by the Steersman in The Flying Dutchman, Ferrando in Così fan tutte, Cavaliere Belfiore in Il viaggio a Reims, Tamino in The Magic Flute, Chevalier de la Force in Dialogues of the Carmelites, Paris in La belle Hélène, the title role in Pelléas and Mélisande, Don Ottavio in Don Giovanni and most recently Ben in The Telephone.
His many other engagements include King Ouf in Chabrier’s opéra bouffe L’étoile and the poet Giocondo in Rossini’s La Pietra del Paragone at Läckö Slottsopera, Lensky in Eugene Onegin, the Brazilian in La Vie Parisienne and the Judge in Carmencita Rockefeller at Malmö Opera, Edwin in Die Csárdásfürstin at Nöjesteatern in Malmö and various roles at Folkoperan in Stockholm, Norrlandsoperan and Wermland Opera.