From 2011 untill 2016 Arttu worked as a creative, producer and creative producer at OneBigAgency in Amsterdam. Working for brands, startups and NGO's under Creative Director Erik Wünsch.

In this period Arttu was involved as a creative producer in the production of three feature films written and directed by Eddy Terstall & Erik Wünsch.

In this period Arttu went to Nigeria with Erik Wünsch to document the oil pollution by Shell.