Liz Marshall is an award-winning Canadian filmmaker based in Toronto. Since the 1990s, she has created a body of work including broadcast, theatrical, campaign and cross-platform documentaries shot around the world, largely focusing on social justice and environmental themes. She is known for her feature-length documentaries Water on the Table and The Ghosts in Our Machine) for which she also produced impact and engagement campaigns, distributed community screenings, and attended many global events as a public speaker. Water on the Table features water rights activist, author and public figure Maude Barlow. The Ghosts in Our Machine features animal rights activist, photojournalist and author Jo-Anne McArthur.