Sian Heder

Sian Heder (; born June 23, 1977) is an American writer and filmmaker. She is known for writing and directing the movie "CODA" (2021), for which she won the Academy Award for Best Adapted Screenplay and BAFTA Award for Best Adapted Screenplay.
Heder was born in Cambridge, Massachusetts. Her parents are artists Mags Harries and Lajos Héder. Her mother is Welsh and her father is Hungarian. She is married to David Newsom and has two children.