Aaron Cassidy is an American composer and conductor. His compositions have been presented in hundreds of performances across 27 countries by groups including ELISION, Ensemble Musikfabrik, EXAUDI, Ensemble SurPlus, ensemble recherche, Talea Ensemble, and the Kairos, Diotima, and JACK string quartets at major festivals including Donaueschingen, Ultraschall, Warsaw Autumn, Huddersfield, Darmstadt, Gaudeamus, and Tage für Neue Musik Zürich, and has been supported through grants and commissions from the Ernst von Siemens Musikstiftung, Südwestrundfunk, American Music Center, British Council, PRS Foundation, New York Foundation for the Arts, AHRC, Haupstadtkulturfonds Berlin, allerArt Bludenz, RMIT Gallery, and the London Cultural Olympiad 2012. Recordings of his work are available on 12 commercial releases from Kairos, NEOS, NMC, HCR, and New Focus Records. As a conductor, he has appeared with Ensemble Musikfabrik, ELISION, Ensemble Proton Bern, Ensemble Interface (as IEMA), Schola Heidelberg, International Contemporary Ensemble, and the University of Huddersfield Symphony Orchestra. Cassidy joined the staff of the Hochschule für Musik, Theater und Medien Hannover in October 2022 after 15 years as Professor of Composition at the University of Huddersfield, where he served as Director of the Centre for Research in New Music (CeReNeM).