Joseph Peddie is a composer and orchestrator based in Wales, specialising in contemporary classical scoring as well as arrangements for mainstream music. He is currently pursuing an undergraduate degree at the Royal Welsh College of Music and Drama, where he studies notational practice, orchestration, and creative electronic music under the guidance of Michael McCartney, Mark David Boden, and Tic Ashfield-Fox. His primary focus is chamber music, and his work has been performed by several distinguished musicians, including violinist Matt Denton, leader of the Carducci Quartet. 

Originally from London, Joseph began his musical journey at the age of seven with the piano, later expanding his instrumental range to include flute and saxophone. He has performed with numerous orchestras and big bands, such as the Kent Youth Wind Orchestra (KYWO) and the Jewish Music Institute Big Band. He also took part in courses and residencies with the National Youth Jazz Orchestra (NYJO) and the National Youth Jazz Collective (NYJC), where he was mentored by prominent jazz composers including Izzy Barratt, Billy Marrows, and Alexandra Ridout. During his secondary school years, Joseph studied under acclaimed cellist David Burrowes of the Cirrus Quartet, with whom he explored and performed Baroque trio repertoire by composers such as Bach and Purcell. 

At RWCMD, Joseph collaborates regularly with student chamber groups including the Lanzino Trio and the Leary Quintet. He has also taken on projects with professional ensembles such as the Absolute Zero Viola Quartet, Matt Denton of the Carducci Quartet, and Yu Yasuraoka formerly of the London Sinfonietta. Currently, he is writing for the BBC National Orchestra of Wales through their Composition: Wales  competition.