Gregor Riddell plays the cello and writes music.

Gregor writes and plays in ensembles BirdWorld and Tre Voci having also been a founder member of Solstice String Quartet, Living Room in London and Odysseus Piano Trio.

Recent commissions include ‘Doe-eyed, Clean-cut’ for Duo TÖ, ‘Latent, Paper Tiger’ for solo violin and electronics performed and recorded by Galya Bisengalieva, ‘Hiraeth’ for Asamisimasa Ensemble at Borealis Festival (Norway), a double cello concerto premiered in La Paz (Bolivia) and a work for cello and electronics written for the BEAST sound system at Birmingham University. Gregor has also written for the London Contemporary Orchestra with whom he is a regular principle player having collaborated with artists including Radiohead, Qasim Naqvi, Sarah Davachi, Actress, among many others.

In 2017-18, Tre Voci presented a series of concerts supported by nonclassical where they worked alongside the South Bank Gamelan Ensemble, Bryan Harrison, Henrik Koppen, Mohammad Reza Mortazavi, David Stephen Grant and Silje Aker Johnsen. In May 2018, they released an EP on the nonclassical label featuring original works by members as well as quartet compositions by Kit Downes also performing on hammond organ.

Since living in Norway he has performed with artists and ensembles including 1816, Frøy Aagre, Ola Kvernberg, Anja Lauvdal, Louien, Mette Henriette, Hildur Guðnadóttir, JAR,  Neon and Cikada Ensembles; recorded chamber works by Simon Steen-Andersen with the Oslo Sinfonietta; and, formed a improvising trio with Karl Nyberg and Bernt Isak Wærstad called KGB. Gregor and Sara Övinge will release an album of original electroacoustic music for cello and violin on Jazzland in 2021.

In autumn 2016 alongside Rob Lewis, Gregor set up SVS – an Oslo-based online platform broadcasting adventurous music from the Nordics. SVS presents weekly mixes by artists from a diverse array of genres and has hosted events at venues including Cafe Oto and Rich Mix London.

Having originally met during a Banff Residency, BirdWorld has gone on to perform across Europe with highlights including a Union Chapel concert filmed and recorded by NTS Radio, an electronic film score commissioned by London Contemporary Orchestra and collaborating with Streifenjunko, Harpreet Bansal, Sanskriti Shrestha, Alex Stuart, James Kitchman and more. Birdworld’s track ‘After Rain’ was included in the August ’18 edition of The Wire Tapper and they recently performed at LSO St Luke’s ‘Open Ear’ recorded live on BBC Radio 3. On the 2019 autumn Equinox, BirdWorld released their debut album UNDA on Focused Silence. They will release a rework album based on this material early 2021 followed by a second record taking the ensemble in a new direction.

Gregor was born in London, studied music at Cambridge University and composition at the Royal College of Music. He currently lives both in London and Oslo.