Pianist Siwan Rhys enjoys a varied career of solo, chamber, and ensemble playing, with a strong focus on contemporary music and collaboration with composers.

She has played at prestigious British venues such as the Wigmore Hall, Royal Festival Hall, Barbican Hall, St David's Hall, Symphony Hall, and abroad at the Elbphilharmonie Hamburg, Shanghai Symphony Hall, and Esplanade Concert Hall Singapore amongst others. She has also appeared at the BBC Proms, Aldeburgh Festival, Huddersfield Contemporary Music Festival, London Contemporary Music Festival, Principal Sound, Occupy the Pianos, and has recorded many times for television, radio, and for labels such as NMC, all that dust, Another Timbre, Classical Remix, and Prima Facie.

Recent releases include a critically-acclaimed recording of Stockhausen's KONTAKTE and of Oliver Leith's good day good day bad day bad day with GBSR Duo, a re-voicing by Mira Calix of some of John Cage's Sonatas and Interludes, and appearances on Tim Parkinson's Here Comes a Monster and Nonclassical's I hope this finds you well in these strange times.

Also a regular ensemble and orchestral pianist, Siwan has worked with the London Sinfonietta, Birmingham Contemporary Music Group, Colin Currie Group, Clod Ensemble, Aldeburgh Festival Ensemble, Philharmonia Orchestra, London Symphony Orchestra, City of Birmingham Symphony Orchestra, and BBC National Orchestra of Wales.

Siwan is a member of piano-percussion duo GBSR Duo, new music group Explore Ensemble, and also works regularly with mezzo-soprano Lucy Goddard.

She is an honorary member of the Welsh Gorsedd of Bards and an Entente Cordiale alumna. She teaches at the London Contemporary School of Piano.