Au is originally from Vancouver, British Columbia in Canada. She received her BFA from the Nova Scotia College of Art and Design and her MFA from the New York State College of Ceramics at Alfred University. She has previously received grants from the Canada Council for the Arts and has taught at various institutions in Canada and the United States. She is currently a full-time faculty member of the Alfred University and The Central Academy of Fine Arts （Alfred-CAFA ）Design for Industry Program.
Au has held solo exhibitions in various countries and regions, including Shanghai Studios in China, Jingdezhen Ceramics Studio in Jiangxi, Art Museum in Northern Arizona University, Fosdick Nelson Gallery in New York, and Craft House Gallery in Vancouver.