An American filmmaker and screenwriter, he is known for his incisive portrayals of relationships and family dynamics. Born in Brooklyn, New York, he made his directorial debut with "Kicking and Screaming" in 1995. He gained recognition with "The Squid and the Whale" (2005), earning an Academy Award nomination for Best Original Screenplay. Frequent collaborator with Greta Gerwig, his works include "Frances Ha" and "Marriage Story," noted for their wit and emotional depth.