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 has received performances from highly acclaimed ensembles and performers such as: ensemble surplusEnsemble AventureEnsemble ModernComposers Slide Quartet, and Ian PaceMark KnoopJonathan Powell,  Rei NakamuraAdam LinsonLauren Redhead. 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: Borealis (Bergen, Norway, 2014), Leeds New Music Festival (2013), UsineSonore (Malleray-Bevilard, Switzerland, 2012), REM (Bremen, 2011), Delmenhorst (2010), Quantensprünge ZKM (Karlsruhe, 2007 & 2008), Freiburger Frühling (2006), Música Nova (Sao Paolo, 2006), and Núcleo Música Nueva (Montevideo, 2006). Current commissions and projects include work for the Aleph Guitar QuartetAndrew Digby, and  collaborative work with film artist Adam Hodgkins which will feature as part of Exploding Cinema at the Supernormal festival (2015).

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 such as:Ensemble Ascolta (Stuttgart), Ensemble Aventure (Freiburg) and Ensemble Modern (Frankfurt), the South-West German Radio Soloist Chamber Ensemble and with the Berner Philharmonic Orchestra. Alistair studied composition with James Dillon. He received a DAAD scholarship to study with Mathias Spahlinger at the Musikhochschule, Freiburg, completing his studies in 1995-1997.

Alistair currently teaches conducting and composition at Canterbury Christ Church University, and is a member of the Music and/as Process RMA Study Group. While at Goldsmiths he organised the International Keyboard Symposium (2012), and helped organise the Symposium on Notation in Contemporary Music (2013), and the Compositional Aesthetics and the Political conference (2015)  as part of the Contemporary Music Research Unit.