From 2000 to 2001 and from 2005 to 2013, Jens Stoltenberg was Norway's prime minister. In 2014, the Norwegian politician became secretary general of NATO, which he remained for exactly 10 years.

Jens Stoltenberg, NATO's former secretary-general, will make a surprise return to Norwegian politics as finance minister, as the country faces concerns about a potential transatlantic trade war ...