Alistair Zaldua is a composer of contemporary and experimental music and has written work for: chamber ensemble, solo instrument, live electronics, and audio/visual installation. His work consists of both fixed notated scores, as well as openly notated work and has been performed both internationally at festivals for contemporary music.

Since 1998, he has worked as conductor of the new music ensemble and lecturer in contemporary music at the University of Music, Freiburg (Institut für Neue Musik). As a composer and conductor he has worked with different new music ensembles. He received a DAAD scholarship to study with Mathias Spahlinger at the Musikhochschule, Freiburg, completing his studies in 1995-1997, and is currently a member of the Music and/as Process RMA Study Group.