An acclaimed American filmmaker, he is renowned for his hard-hitting documentaries that tackle social issues and injustices. His work often explores themes of secrecy and power, shedding light on subjects like sexual abuse in institutions and censorship. Notable films include "Twist of Faith," "The Invisible War," and "The Hunting Ground," which have sparked widespread conversation and change. His impactful storytelling has earned him multiple award nominations, including two Academy Award nods.