Šumski is a multidisciplinary artist. Whatever the medium, his work has a strong narrative element. As an illustrator he has worked for Nike, New Scientist, Affinity Designer, GQ Magazine, Ožujsko (Zagrebačka Pivovara) and Igapa, the biggest supplier of paper in the E.U. His illustrations have also been exhibited extensively in galleries like Factory Fifteen in London, and the Urban Spree Gallery in Berlin. He made cover art for electronic music labels and set up installations at music festivals. In addition he worked with the band Crystal Fighters on number of videos. His big-scale murals can be seen in Berlin, Zagreb, Trondheim, and other cities. Šumski grew up in Rijeka, Croatia and currently lives in Berlin.