Haukur Þór Harðarson, born in Seltjarnarnes (Iceland) has studied music from an early age, starting with the trombone. He graduated from the Icelandic music school FÍH and started his composition studies at the Icelandic Academy of the Arts, where Atli Ingólfsson was his main teacher. Haukur graduated with a BA degree in composition in 2012. Afterwards, he studied Master in Composition at the Conservatorium van Amsterdam with teachers Richard Ayres and Wim Henderickx as well as having had individual lessons with Brian Ferneyhough, Johannes Schöllhorn, Dmitri Kourliandski and Chaya Czernowin. Currently he is studying at the Institute of Sonology in The Hague.
He started the band Orphic Oxtra as well as being a founding member of Errata collective and producer of Upp rís úr rafinu concert series. His works have been performed by ensembles like Caput, Neon, Ensemble Recherche, Neue Vocalsolisten, Orkest de Ereprijs, Asko|Schönberg and Quatuor Diotima.