Ciarán recently graduated from the Guildhall School of Music & Drama with a masters degree in music performance. Prior to this he studied civil engineering at Trinity College Dublin.
On the operatic stage he has sung Lindoro in 'L'italiana in Algeri' with Pop-up Opera, the roles of Tinca and The Vendor of Songs in the Grimeborn Festival production of ‘Il Tabarro’, and Count Almaviva in ‘The Barber of Seville’, Ferrando in ‘Cosi Fan Tutte’, Boggart in ‘The Fairy Queen’, and Remendado in ‘Carmen’ as part of Guildhall School opera scenes.
He played the role of Tony Candalino in a 50 performance run of the play 'Masterclass' at the English Theatre, Frankfurt, and had roles in Iain Burnside's musical plays 'A Soldier And A Maker' and 'Journeying Boys'.
Ciarán has sung tenor solo in Handel's 'Messiah', Stainer's 'The Crucifixion', Britten's 'Rejoice in the Lamb', Orff's 'Carmina Burana', and Mozart's 'Misa Brevis in C major'. He was part of the ensemble in Sir Jonathan Miller’s staged version of Bach’s ‘St. Matthew Passion’ at London’s National Theatre.
As a soloist he has performed at the Barbican Centre, Wigmore Hall, National Concert Hall Dublin, and on BBC Radio 3.
Ciarán’s studies at the Guildhall School were generously supported by bursaries from the Arts Council of Ireland and Wicklow County Council.
"Guildhall-graduate Ciarán O’Leary makes the production glow as Lindoro, the purity of his voice wringing every ounce of classiness from his lovestruck arias." - Fringe Opera, L’Italiana in Algeri
"Tenor Ciarán O’Leary sings with a superb voice that is high-toned and ideal for anyone looking to be serenaded." - London Theatre 1, Il Barbiere di Siviglia
"Ciarán O’Leary, made the most of the first act as Almaviva, revealing a lovely tenor voice, and technique to match" - Boulezian Blogspot, Il Barbiere di Siviglia