In 1992 they both attended Stockholm Film School in Sweden, and graduated in 1994. Later that year they served their mandatory time in the military making propaganda films for the Royal Norwegian Army. In 1995 they founded their own company. They called it Roenberg, which is their last names put together. Early in 1996 they began directing commercials and music videos professionally in Oslo. Their extensive and award-winning work in commercials in Scandinavia led to major international commissions such as ads for Airbus, Nintendo, Coca-Cola, GE and Nokia. Sandberg and Rønning established themselves in the American market with their spots for Capital One, Labatt's and especially with their USA Today Super Bowl 2001 Viewer's Poll-winning spot Rex for Budweiser. Together with fellow Norwegian Director, Harald Zwart, they own and run Motion Blur, a production house for commercials. Founded in 2002 it is now one of the largest and most award-winning productions companies in Scandinavia.