Studied composition at Reykjavík College of Music and electronic music at Kópavogur School of Music from 1997 to 2000. He has in recent years attended masterclasses with Brian Ferneyhough among many others and has also been studying computer engineering at University of Iceland. His music has been played in USA, Asia and Europe by groups like kammarensamblen, Njuton Ensemble and Uusinta Chamber Ensemble among others. Hlynur is co-founder of Reykjavik Media Lab and is active in composer group S.L.Á.T.U.R.