John D. Liu is an American ecologist and filmmaker. John has worked with Commonland Foundation on catalyzing privately invested large-scale restoration worldwide since 2009, and is currently its Ecosystem Ambassador. John also founded the Ecosystem Restoration Camps movement in 2016, which has grown to currently 37 camps in 6 continents and continues to grow. John has written, directed, produced, filmed, and presented numerous films on Environment and Ecology for the BBC, National Geographic, Discovery, PBS and other networks.