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 Concertgebouw Amsterdam, Elbphilharmonie Hamburg, Philharmonie de Paris, Shanghai Symphony Hall, Esplanade Singapore and others. She has also appeared at the BBC Proms, Aldeburgh Festival, Huddersfield Contemporary Music Festival, London Contemporary Music Festival, 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 solo piano music by Ryoko Akama.

Also a regular ensemble and orchestral pianist, Siwan has worked with the London SinfoniettaColin Currie Group, Birmingham Contemporary Music Group, Clod Ensemble, London Symphony Orchestra, Philharmonia 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.

Her recent foray into experimental filmmaking is supported by the Royal Philharmonic Society Enterprise Fund in association with Harriet's Trust.

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.