Kristín Huld Sigurðardóttir achieved a Bachelor with Honours degree and a PhD in Archaeology from the University College London.

She also has a MPA-degree (Master of public administration) and a diploma in business administration from the University of Iceland. She is a specialist in archaeological conservation from the Royal Academy of Arts in Copenhagen and worked for the National Museum of Iceland. From 1997 to 2001, she was an Associate Professor and Director of the Study of Archaeological Conservation at the University of Oslo, Norway. Then, from 2001 to 2012, Kristín Huld Sigurðardóttir hold the position of Director General for the Archaeological Heritage Agency of Iceland. In 2013, she was appointed Director General of the Cultural Heritage Agency of Iceland. In parallel, she has been acting as a board member for the World Heritage Committee of Iceland, ICOM-Iceland, and the European Archaeological Council, and teaching at the University of Iceland. She published various articles on archaeology, conservation and the management of the cultural heritage of Iceland.