Zoanne Clack (born July 14, 1968), also known as Zoanne Arnette, is an American television producer, writer, story editor, actress, and medical doctor/consultant. Clack's most notable work has been on the medical drama series Grey's Anatomy, in which she has served as executive story editor for twenty-three episodes, producer for nineteen episodes and writer for fifteen episodes. She has also served as an extra for the show. Her other work includes medical supervisor on ER, writer on Presidio Med and minor acting roles in The District and Philly.