Ambassador Nordsletten has for more than 40 years worked in various official positions with issues in relation to the Soviet union and the Russian Federation. Nordsletten started his service for the Ministry of Foreign affairs in 1974 and at served at the Norwegian Embassy in Moscow from 1979 to 1982 as a diplomat of the Norwegian Ministry of Foreign Affairs.
From 1992 to 1996 he served as Norway’s Ambassador to Ukraine.
From 1997 to 2000 he was Director General at the office of the Prime Minister of Norway.
From 2000 to 2008, Nordsletten served as Norway’s ambassador to Russia in Moscow, from 2008 to 2010 as Norway’s ambassador to Ireland, and from 2010 to 2013 as Norway`s Consul general in Murmansk. Since 2013 he holds a position in the MFA of Norway in Oslo.
Nordsletten was awarded honorary membership of the NRCC in December 2008. Currently, he is the Chair of the NRCC Council.