Ralph Wieser is an Austrian film producer and co-founder of the production company Mischief Films, based in Vienna. The work of Mischief Films focuses on documentaries, international co-productions and collaborations with up-and-coming authors, who should be given the opportunity to develop their own style. In recent years, documentaries have been made in cooperation with international co-producers and TV stations such as BBC, Channel 4, arte, ORF, WDR, 3sat, ITVS and others. Mischief Films has won awards at numerous festivals around the world.