With a BA in anthropology and a diploma in Applied Gender Studies, she has held significant roles in her family's company, Kjörís ehf., and has been a pivotal figure in Icelandic politics.

Since 2021, she has been serving as a Member of Althing, the national parliament, for the South Constituency representing the Independence Party, and in 2023, she was appointed as the Minister of Justice.

Guðrún Hafsteinsdóttir was born on February 9, 1970, in Selfoss, Iceland, to Hafsteinn Kristinsson, a pioneering dairy engineer, and Laufey S. Valdimarsdóttir, a homemaker.

She completed her student degree from FSu in 1991 and later earned a BA in anthropology in 2008 and a diploma in Applied Gender Studies in 2011, both from the University of Iceland.

In her personal life, Guðrún has been married twice, first to Davíð Jóhann Davíðsson, with whom she has three children: Hafsteinn, Dagný Lísa, and Haukur.