Siôn Marshall-Waters is a Welsh filmmaker based in Bristol. Having studied an MA in visual anthropology at the University of Manchester, his work is grounded in experimental and ethnographic documentary. His short film “Forest Coal Pit” screened at film festivals including BFI London Film Festival, Edinburgh International Film Festival, Courtisane and Alchemy Film and Moving Image. The film was nominated for a Grierson Award and received a special mention for the Grand Prix Documentary Short at Cork International Film Festival. His first narrative short “Pen Mari” was supported by BFI Network in partnership with WePresent, and produced by Bosena known for “Rose of Nevada", and "Enys Men”.