Biography

Black and white close-up photo of a man with light-colored eyes and light facial hair, holding a guitar vertically in front of his face, partially obscuring his right eye, in an indoor setting.

Aaron Spiers is an electric bassist, composer, and arranger originally from Australia and currently based in the United States. His work focuses on contemporary large ensemble jazz, with an emphasis on writing modern, groove-driven music for big band alongside a broader performance practice that spans jazz and rock.

Aaron has performed internationally in over twenty-seven countries as a member of the UK-based rock trio RavenEye, appearing at major festivals including Download (UK), Reading & Leeds (UK), Rock Am Ring & Rock Im Park (GER), Monsters of Rock (ARG) and Aftershock (USA) among others. Aaron also had the opportunity to support international artists such as KISS, Aerosmith, Slash, The Darkness and Deep Purple across the USA, UK and Europe. While based in the UK, he also performed across Europe with recording artist Kim Wilde.

Alongside his performing career, Aaron has developed a substantial practice as a composer and arranger. He was recently commissioned by Oklahoma State University to compose a concert featuring the music of guitarist Kenny Reichert. Aaron has also arranged a full concert for Australian country music icon John Williamson for the Australian Army Band Perth. His work has also been commissioned by the University of Tulsa Big Band featuring the music of Nick Mancini and Count Basie. Aaron has also written arrangements for Australian artists Kate Ceberano and Marina Prior.

Aaron has released two small-group jazz albums as bandleader 'Rediscovery' and 'Play Your Own Way' and is currently completing his debut big band album. After years working as a session arranger, this project marks a shift toward establishing his own compositional voice, with release scheduled for summer 2026.

Aaron holds a Bachelor of Music (Jazz) with Honors from the West Australian Academy of Performing Arts (WAAPA).