Jonathan Heilbron is an Australian composer and performer active in the fields of contemporary, improvised and experimental music. In addition to performing his own compositions, Jonathan composes music for and with interpreters of contemporary music, improvisers, untrained musicians, and performers specializing in various world folk music traditions.

Jonathan is the founder and Artistic Director of the Phonetic Orchestra. He is also a member of the Harmonic Space Orchestra and Ensemble KNM Berlin and also works regularly with some of Europe’s most renowned ensembles for contemporary music, including Ensemble Musikfabrik, Klangforum Wien and Apartment House.