Leila Conners Petersen is an American filmmaker and environmental advocate known for her work in documentary filmmaking. She co-founded the production company Tree Media and has directed several films that focus on environmental issues, including The 11th Hour, which features prominent figures like Leonardo DiCaprio discussing climate change. In addition to her filmmaking, Petersen is involved in various initiatives aimed at promoting sustainability and raising awareness about ecological challenges. Her work often emphasizes the importance of community engagement and education in addressing environmental concerns, making her a significant figure in the field of environmental activism.