An American filmmaker and entrepreneur, he co-founded Moviefone before transitioning to directing. Known for his documentary work, he gained critical acclaim with "Capturing the Friedmans" (2003), which explored a family's complex dynamics amid criminal accusations, earning an Academy Award nomination. He later directed "All Good Things" (2010), a feature film inspired by a real-life missing person case, and co-created the HBO series "The Jinx" (2015), delving into the life of Robert Durst.