Heidi Ewing is a director, producer, and writer of documentary films. She and Rachel Grady founded Loki Films in 2001, and have collaborated on several documentaries together. She is best known as the co-director of Jesus Camp, which was nominated for an Academy Award for best documentary in 2006. Next came 12th& Delaware, which premiered at the 2010 Sundance Film Festival. The film "casts a heart-rending light on the abortion divide" and was honored with a Peabody Award.