​​Bass-baritone Andrew Mahon has appeared with many ensembles in Canada, the UK, and around the world, performing both concert and operatic repertoire. His past solo engagements include performances with Tafelmusik Baroque Orchestra and Chamber Choir, Calgary Philharmonic Orchestra, Theatre of Early Music, Les Voix Baroques, Toronto Consort, Tallis Choir, Aradia Ensemble, Toronto Masque Theatre, Opera Atelier, Internationale Bachakademie Stuttgart, NDR Sinfonieorchester, Schleswig-Holstein Musik Festival, Tilford Bach Festival, London Handel Orchestra, Mid Wales Opera, and the choirs of St Paul's Cathedral and Wells Cathedral. He has collaborated with such conductors as Christopher Hogwood, Adrian Butterfield, Andrew Parrott, Nicholas Cleobury, Christoph Eschenbach, Helmuth Rilling, Keri-Lynn Wilson, Ivars Taurins, Daniel Taylor, and David Fallis.
Highlights include Bach's St John Passion with the Orchestra of St John's in Dorchester; Bach's Mass in B Minor with the Calgary Philharmonic Orchestra;  Bach's Mass in B Minor at the Tilford Bach Festival; Handel's Israel in Egypt and Zelenka's Missa Votiva in Toronto with Tafelmusik; for the Schleswig-Holstein Musik Festival the role of Il Mandarino in a concert performance of Puccini's Turandot in Lübeck with the NDR Sinfonieorchester, a performance and live television broadcast of Beethoven's Chorfantasie with the SHMF Choir and Orchestra under Eschenbach, and Schumann's Mass in C minor under Hogwood; Handel's Messiah with the Calgary Philharmonic Orchestra; the role of Samuel in Handel's Saul with the Bach-Collegium and Gächinger Kantorei Stuttgart under Rilling; Haydn’s Nelson Mass with the Wells Cathedral Choir alongside Dame Felicity Lott, Hadyn's Mass in Time of War in Toronto with the Tallis Choir and Bach's Christmas Oratorio with the Augsburger Domsingknaben in Germany .

In the 2016-2017 season, Andrew can be heard singing Handel's Messiah with the Wells Cathedral Oratorio Society and with the Harrogate Choral Society, Bach's Christmas Oratorio in Canada with Masterworks of Oakville, Mendelssohn's Elijah at Wakefield Cathedral with the Yorkshire Philharmonic Choir, and Rossini's Stabat Mater and Puccini's Messa di Gloria with Cumbria Rural Choirs in Carlisle. A frequent song recitalist, he has performed on the stages of Wigmore Hall, and the Forge in London, England. Andrew is a graduate of the University of Toronto and now resides in the UK.