Þórunn Valdimarsdóttir is a native of Reykjavík, born August 25th 1954. She studied history at the University of Lund in Sweden from 1973-74, and history and art at Instituto Allende in San Miguel de Allende Guanajuato, Mexico from 1977-78. She completed her Cand. mag. degree in history from the University of Iceland in 1993 and has worked as a writer ever since. Þórunn has written twenty books – novels, books of poetry, biographies and scholarly works – as well as a number of articles and programs for radio and television. She has co-authored two books with songwriter Megas: the childhood memoir Sól í Norðurmýri (Sunshine in Norðurmýri, 1993) and the novella Dagur kvennanna (2010).
Þórunn´s first novel, Höfuðskepnur (Elements) was published in 1994. The novel Alveg nóg (Enough) was nominated for the DV Cultural Prize in 1997; Stúlka með fingur (Girl With a Finger) received that same award in 1999 and was also nominated to the Nordic Council´s Literature Prize in 2001. Þórunn´s novels Kalt er annars blóð (Cold is the Blood of Another, 2007) and Mörg eru ljónsins eyru (The Lion Has Many Ears, 2010) are contemporary crime stories, based upon the sagas Njála and Laxdæla, respectively. These were both nominated for the Icelandic Literature Prize in the category of fiction, but Þórunn has thrice been nominated for the Prize in the nonfiction category, namely for Snorri á Húsafelli (Snorri from Húsafell, 1989), Til móts við nútímann (Towards the Present, 2000; as one of five authors of a four-volume series) and Upp á sigurhæðir: saga Matthíasar Jochumssonar (The Biography of Matthías Jochumsson).
Þórunn Valdimarsdóttir lives in Reykjavík.