Kristjana was born in Reykjavík January 11 in 1976. She graduated from Menntaskólinn við Sund in 1996 and received a B. Ed.-degree from Kennaraháskóli Íslands in 1999. She works as an elementary teacher in Reykjavík and participates in various social activities with children and teenagers. Kristjana is the author of the books about Fjóli Fífill and Ólöf Arndís.