Born in Battambang, Cambodia, during the Khmer Rouge regime, Kalyanee Mam immigrated to the United States in 1981 with her family. Mam is an award-winning filmmaker whose work is focused on art and advocacy. Her debut documentary feature, A River Changes Course, won the World Cinema Grand Jury Prize for Documentary at the 2013 Sundance Film Festival and the Golden Gate Award for Best Feature Documentary at the San Francisco International Film Festival. Mam worked as cinematographer on the Oscar-winning documentary Inside Job, and as co-director and co-producer of Between Earth & Sky. She is the director of Lost World (Mountainfilm 2019).