Kristoffersen moved to Longyearbyen from Tromsø in January 2009 , along with her family of husband and two children , to work at the University Centre in Svalbard . By 2011 , she was a board member of the school board , the board of city operations and the port authority . Ahead of the 2011 election , in May 2011 , she beat Anita Johansen with 15 against 5 votes to become the Labour Party 's mayor candidate . Her party won 43 percent of the votes and she was subsequently elected mayor , replacing Kjell Mork . She sits in the municipal council along with her son , Viljar Hanssen , also for the Labour Party . Viljar was on the island of Utøya during the 22nd of July 2011 Norway attacks , and was shot in the head , arms and right leg . His story on Utøya is featured in the 2018 movie 22 July
2011 Norway attacks
2011 Norway attacks
Christin Kristoffersen