Svenn Erik Kristiansen (30 May 1940 â 9 June 2024) was a Norwegian teacher turned politician. He served as deputy mayor of Oslo for a period before becoming mayor of Oslo for a period in 2007, when Per Ditlev-Simonsen resigned. Following the 2007 Norwegian local elections, Kristiansen did not continue as mayor. He died on 9 June 2024, 10 days after his 84th birthday.