Tullis Rennie is a composer, improvising trombonist, electronic musician and field recordist. His work has been presented at concerts and festivals across 20 countries worldwide, alongside UK national broadcasts on BBC Radio 3 and ResonanceFM. He is co-founder of Walls On Walls with visual artist Laurie Nouchka, and a member of the Insectotròpics audio-visual collective, based in Barcelona. He curates the multi.modal label with Claudia Molitor. 

His writing has been published in Organised Sound and Leonardo Music Journal. He features on releases by the Luminous label, ZeroWave and Efpi Records.He is currently Senior Lecturer in Music at City, University of London. He completed a PhD in Composition at the Sonic Arts Research Centre, Queen’s University Belfast.