Eloisa-Fleur is an expressive artist, known for her unique, captivating performances. Highlights of her career so far include appearing as soloist in the 2019 BBC Proms for Arvo Pärt’s Fratres with 12 Ensemble, performing J.S Bach's Concerto in D minor for two violins with the celebrated violinist Maxim Vengerov, and chamber music with Radiohead's Jonny Greenwood.


Eloisa-Fleur is co-Artistic Director and Leader of the 12 Ensemble, London's un-conducted string orchestra, whose special approach to performing & programming sets them apart as a revolutionary classical ensemble. Eloisa-Fleur has directed the group internationally at leading venues and festivals including the BBC Proms, Wigmore Hall, Barbican, Berlin Philharmonie, Hamburg Elbphilharmonie, Jordan Hall - Boston, and given multiple live broadcasts for BBC Radio 3. Their two albums Resurrection and Death and the Maiden have received widespread critical acclaim. 


An advocate for new music, Eloisa-Fleur features on Edmund Finnis' award-winning 2019 debut album The Air, Turning, performing Elsewhere, his work for solo violin and reverb, "Eloisa-Fleur Thom's breathtaking solo violin takes the listener Elsewhere indeed." (BBC Music Magazine). She has performed at the Southbank Centre's DEEP∞MINIMALISM festival, Sound Live Tokyo Festival and alongside composer and pianist Max Richter in the Berlin Philharmonie. Through 12 Ensemble, Eloisa-Fleur has commissioned new works from trailblazing British composers Oliver Leith and Kate Whitley, collaborated with contemporary artists The National, Elena Tonra, Keaton Henson, and features on Carnage Nick Cave & Warren Ellis' latest album. In 2015/16, Eloisa-Fleur held a creative residency at HEIMA in Seydisfjordur, Iceland. Eloisa-Fleur gratefully acknowledges support from PRS for Music Foundation to commission a new work from composer Kate Whitley in 2021.


Eloisa-Fleur regularly performs and records with the London Contemporary Orchestra. A few highlights include performing a selection of chamber works in the Wind Tunnel at Farnborough Airport with Radiohead's Jonny Greenwood and leading the orchestra for a live-screening of ‘There Will Be Blood’ at the Southbank Centre. She features on Radiohead's album A Moon Shaped Pool, Franck Ocean's album Blonde, Anima by Thom Yorke and film soundtracks Suspiria by Thom Yorke, Phantom Thread by Jonny Greenwood and Macbeth by Jed Kurzel to name a few. Eloisa-Fleur has ventured further into film scores leading sessions for Orchestrate, including Mica Levi’s Oscar-nominated soundtrack Jackie, Treasure by Sampha for Beautiful Boy, and Midsommer by Bobby Krlic.

Eloisa-Fleur studied at the Royal Academy of Music with violinist Maurice Hasson. As a Fellow, in 2012, she performed J.S Bach’s Concerto for two violins with Maxim Vengerov, where she was kindly loaned the 1718 ‘Maurin’ Stradivarius violin. She also recorded two chamber discs for Linn Records with Trevor Pinnock and in 2016 joined Trevor at the Wigmore Hall as Leader for a performance of Mahler's 4th Symphony (chamber version) alongside RAM Alumni.