Øistein Kristiansen

Øistein Kristiansen, formerly known under his artist name Einstein Kristiansen, is a Norwegian cartoonist, designer, TV-host and co-founder of Singapore-based Earthtree Pte Ltd, who together with his two business partners Henry Steed and Mark Hillman, produces children's television programming, animation and image campaigns for MTV Asia, Nickelodeon and Singapore network Mediacorp TV12. Born in Sarpsborg, Norway, Kristiansen grew up in Greåker, a borough of Sarpsborg.