Biography: Siân Heder (born June 23, 1977) is an American writer, producer, and filmmaker best known for writing and directing the films Tallulah and CODA. CODA earned Heder an Academy Award for Best Adapted Screenplay, while the film won for Best Picture. She has also worked on the television series Men of a Certain Age (for which she received a Peabody Award) and Orange is the New Black.