Gudmundur Steinn Gunnarsson was born in Reykjavik, Iceland in 1982. Began music studies at the age of seven. In 2005 he graduated from The Iceland Academy of Arts. There he studied composition with Dr.Ulfar Haraldsson and Hilmar Thordarson. Recently Gudmundur graduated with a M.A. degree in composition from Mills College. There he studied with Alvin Curran, Fred Frith and John Bischoff. He has attended masterclasses with Tristan Murail, Karlheinz Stockhausen, Pauline Oliveros and Clarence Barlow.
His compositions have been performed at festivals such as U.N.M., Reno Interdisciplinary Arts Festival, ESAP 2007 and Music for People and Thingamajigs. His music has been performed by ensembles such as Quartet Opabinia (US), The Zapolski Quartet (DK) and Atón/Njútón (IS).
Gudmundur Steinn was the musical director of an experimental animated film named Hidebound which won a special prize for music at the NUFF young film makers festival in Norway. He has also been active as a improviser and has performed in that context with musicians such as Steve Hubback, Fred Frith, Andrew D’Angelo and Ad Peijnenburg. His music has appeared on various records which are available from Bad Taste (Reykjavik) and Edgetone (San Francisco).