Petter Holmsen graduated with a Bachelor in Film from LiU as the Valedictorian of 2014. He worked closely with Harald Zwart, and served as his 2nd Unit Director and Casting Director on The 12th Man, followed by the TV-show The Oil Fund which they co-wrote and co-directed. In 2020 Holmsen saw the theatrical release of his debut feature film Fjols til Fjells. In 2021 he continued with the success of his Netflix original series Post Morten, as the series’ creator, writer and director.