[2] Sigríður Dúna began teaching anthropology part-time at the University of Iceland in 1980 and did so with breaks until 1990 when she obtained tenure.
[3][4] From 2006 to 2011, she took an unpaid sabbatical from her professorship to serve as Ambassador in Iceland's Foreign Service, first in South Africa[5] and then in Norway.
[13][14] Sigríður Dúna's research focused at first on French structuralism,[15] its analysis of myths and analogy with music.
Her doctoral dissertation in 1990 analyses the history of Icelandic women's movements from 1870 to 1990 using the concept of the person among other theoretical perspectives.
[16] Sigríður Dúna has published a number of articles in feminist- and political anthropology as well as two biographies of forgotten but remarkable Icelandic women.
[17][18] Sigríður Dúna has also published on theory and method in anthropology[19] and taught hundreds of students during her professional career.