Kolbrún Halldórsdóttir has background in the theatre, being trained as an actress and a director. She has staged plays, musicals, operettas and operas, worked as a project manager for big events and organized festivals within the field of the preforming arts. She is an experienced program director for radio and tv. Her projects include the staging of The Fiddler on the Roof at the National Theatre in Iceland, Don Giovanni at the Icelandic Opera, the celebration of 50th anniversary of the Icelandic independence, the celebration of 100th anniversary of the University of Iceland, the opening ceremony of The Concert Hall Harpa and the Icelandic Celebration for the Centenary of Icelandic Independence and Sovereignty.
Kolbrún was elected parliamentarian for the Left Green Movement in 1999 and had a seat in the Icelandic Parliament for 10 years, she was a Minister for the Environment and Nordic Cooperation in the Icelandic Government in 2009. For eight years, 2010 – 2018, Kolbrún was the President for The Federation of Icelandic Artists, an umbrella organization of 15 artist’s unions/associations from all fields of the arts, that entailed her sitting on the council of the Nordic Artists Association. She was also the President for ECA – The European Council of Artists 2012 – 2016. Kolbrún is a member of various boards in the cultural sector in Iceland, f.i. Chair of the Icelandic Culture Fund for children and young persons, Chair of the Board of the Icelandic Theatre Museum and a member of the Board of the Halldor Laxness Museum.
Kolbrún has been on the Board of Circolo Scandinavo since 2013, nominated by the Nordic Council of Artists, and a Vice Chair since 2015.