Sigrún began her violin studies in Reykjavík at the age of five under Gígja Jóhannsdóttir, and continued with Guðný Guðmundsdóttir at the Reykjavík College of Music, graduating in 1984. Sigrún undertook further violin studies in the USA, taking private lesson with Roland and Almita Vamos and later with Jascha Brodsky and Jaime Laredo at the Curtis Institute of Music IN Philadelphia, and graduating with a B.M. degree in 1988. She has participated in numerous international violin competitions and received many prizes. She has performed widely as a soloist and as well in chamber music (from 1988 until 1990 as first violinist of the Miami String Quartet), participating in various music festivals around the world. She has also been appointed as the principal leader of the Iceland Symphony Orchestra, with which she has regularly performed as a soloist. Sigrún enjoys performing new music and many composers have composed music specially for her. In 1988 the president of Iceland awarded Sigrún the Knight’s Cross of the Icelandic Order of the Falcon for her contribution to music.