Gunnar Gudbjörnsson started his career in the UK and Germany after studying in Iceland, Berlin and London. He sang first lyric tenor of the Wiesbaden Opera from ’91-95 and held the same position in Opera National de Lyon from ´95-´97. He later joined the Staatsoper unter den Linden in Berlin from ´99-02.

Gudbjörnssons career has also taken him to some of the Worlds other leading Operahouses in Europe, a.o. Munic Opera, Bas​tille in Paris, Opera de Toulouse, La Monnay in Brussels, Welsh National Opera, Madrid Opera, Teatro Massimo in Palermo and the Vienna State Opera.

He has sung recitals in the Wigmore Hall, Salle Gaveau and the Royal Opera House Covent Garden and concerts in the Royal Albert Hall(Proms ’95), Salle Pleyel, Philharmonie in Berlin and Munic and Konzerthaus in Hamburg, Alte Oper in Frankfurt and with renowned orchestras like the Berlin Philharmonic, the Royal Philharmonic in London, Wiener Philharmoniker, Chicago Synphony Orchestra, Singapore Sinphony Orchestra and the Israel Philharmonic Orcestra to mention some. His range of recordings consists of lieder and songs, but also oratoria and opera. He sang with Daniel Barenboim a recording of the role Walther in Tannhauser in 2000 for Teldec and has as well recorded for Decca, Philips and other labels. In 2007 Gudbjörnsson changed to the german heavier Fach, now singing roles li​ke Max in Freischuetz, Stolzing Meistersinger, Herodes in Salome and Siegfried and has in recent years concentrated on concert repertoire. Gudbjörnsson finished his MA at Bifröst University in 2012 in Cultural Management and is currently dean at Sigurður Demetz Academy of singing.