Jon Petter Ekstrand (born 14 December 1976) is a Swedish composer and film sound designer.As a composer, he has collaborated with film director Daniel Espinosa on several occasions, including Easy Money (2010) and Child 44 (2015). Since 1999, he has worked and contributed as a composer or a sound designer on several films, television films, TV series and short films, including music for 4 episodes of the Swedish TV series Sebastian Bergman.