Celine Song (born Song Ha-Young) is a Canadian director, playwright, and screenwriter based in New York City. Among her plays are Endlings and The Seagull on The Sims 4 (both 2020). Her directorial film debut, Past Lives (2023), received critical acclaim and was nominated for the Academy Award for Best Picture and Best Original Screenplay. Her second film, Materialists, was released in theaters on June 13, 2025. Song received her undergraduate degree from Queen’s University in Kingston, Ontario, where she studied Psychology with a minor in Philosophy. She received her MFA in Playwriting from Columbia University in 2014.