A Canadian composer, she completed her Bachelors of Music in Piano Performance and Composition at McGill University, and her DMA in Composition at Columbia University. She is currently the Francis Goelet Associate Professor of Music at Columbia University.

Zosha’s Long Is the Journey, Short Is the Memory for orchestra and chorus opened the first night of the 2019 BBC Proms at Royal Albert Hall, conducted by Karina Canellakis with the BBC Symphony and BBC Singers. Other large-scale projects include Dear Life, a25-minute piece for soprano, recorded narrator and orchestra, based on a short story by Alice Munro, and an evening-length new music theatre piece, Phonobellow, co-written with David Adamcyk for the International Contemporary Ensemble with performances in New York and Montreal. Phonobellow features five musicians, a large kinetic sound sculpture, electronics, and video in a reflection on the influence of photography and phonography on human perception.

Zosha’s orchestral compositions have been commissioned by John Adams, the Toronto Symphony, San Francisco Symphony, New World Symphony, Esprit Orchestra, National Arts Centre Orchestra, Orchestre Symphonique de Montréal, and the BBC, while Pentimento, a short orchestra piece, was commissioned for the WDR Sinfonieorchester’s 75th anniversary. Zosha’s works have been featured by the the New York Philharmonic, Tokyo Symphony, Philadelphia Orchestra, and the Cabrillo Festival Orchestra, among others. She has made appearances with the Chicago Symphony, Los Angeles Philharmonic, and San Francisco Contemporary Music Players, and has worked with many leading new music groups, including Talea Ensemble, Ekmeles, Yarn/ Wire, the NEM, Ensemble Cairn, and JACK and Parker Quartets. She was the recipient of the Jules Léger Prize for New Chamber Music for her work Cortège in 2012, and participated in IRCAM’s Manifeste Festival in Paris, writing an interactive electronic work for Thomas Hauert’s dance company, ZOO. Other recent projects include a commission titledHunger for the Orchestre symphonique de Montréal with improvised drummer, designed to accompany Peter Foldès’s 1973 eponymous silent film. Zosha’s 2019 debut album Tachitipo was released on New Focus Recordings to critical acclaim. The title track was nominated for The JUNO Awards’ 2021 Classical Composition of the Year. Tachitipo was named in Best of 2019 lists by The New Yorker, I Care if You Listen,An Earful, Sequenza21, and New York Music Daily. Zosha is a recipient of the 2023 American Academy of Arts and Letters Goddard Lieberson Fellowship, the 2021 Guggenheim Fellowship, and was an inaugural fellow at the 2018–19 Institute for Ideas and Imagination in Paris.

Selected works: Cortège for 13 musicians (2010), Lineage for orchestra (2013), Phonobellow, theatre work for violin, bassoon, saxophone, piano, percussion, electronics and performative installation (2015), Dear Life for soprano, recorded narrator, and orchestra (2015), Patin for violin (2016), Tachitip for two pianists, two percussionists and electronics (2016), String Quartet no. 1 (2016), Sprung Testament for violin and piano (2017), Hunger for orchestra, improvised drums and silent film (2018), The Contours of Absence for string octet (2018), Long is the Journey, Short is the Memory for orchestra and mixed chorus (2019), Pentimento for orchestra (2021), In the Half-light for soprano and orchestra (2022), time>>T. I. M.(time) E for 13 musicians (2022), We live the opposite daring for vocal ensemble (2023), Noctiluca for string octet, accordion, cello, piano and percussion (2024), Touch Trace for percussion, clarinet, cello, piano, percussion and electronics (2024), Delve for string quartet (2025).