Aya Robertson is a Japanese-Canadian keyboardist specialising in Baroque and Classical opera, dance, and gesture. She is currently an Emerging Artist at Fondazione Mascarade Opera in Florence, Italy.

She has performed and worked at internationally renowned venues including The Royal Opera House, Covent Garden, Teatro Regio di Parma, Theatre Royal Glasgow with Scottish Opera, and Wales Millennium Centre with Welsh National Opera. As a harpsichordist and organist, she has performed with organisations and festivals including the London Handel Festival, Academy of Ancient Music, London International Festival of Early Music, and Barokksolistene.

As a répétiteur, Aya has collaborated with distinguished musicians and conductors including Laurence Cummings, Elizabeth Kenny, Rory Macdonald, and Christian Curnyn. She was also mentored by Susanna Stranders through the Royal Ballet and Opera’s Jette Parker Mentorship Programme (2021).

In 2019, she moved to London where she completed a Professional Diploma in Répétiteurship at the Royal Academy of Music (RAM). She was subsequently appointed a Fellow of the Academy as a Répétiteur from 2020 to 2022, working under Brenda Hurley. Pursuing her love for Early Music, she remained at the Academy to complete a Masters in Harpsichord (2023) and Professional Diploma in Fortepiano (2024), receiving a DipRAM for an outstanding final recital. It is here where Aya began training in Baroque and Classical dance with Mary Collins.

Aya was the Young Artist Répétiteur at Opera Holland Park (2024) for its production of Il barbiere di Siviglia and was a Young Artist at the National Opera Studio (2024–25) in London.

She is due to return to Mascarade Opera as a répétiteur for the 2026/27 season.