Deborah Riley (born May 16, 1973) is an Australian Emmy winning Aproduction designer and art director. She holds dual Australian and United Kingdom citizenship. She spent most of her previous career in film, working as a Set Designer on The Matrix (1999), an Assistant Art Director on Anna and the King (1999), an Assistant Art Director on Moulin Rouge (2001), an Art Director on 21 Grams (2003). Riley became the new production designer on Game of Thrones starting in Season 4, replacing Gemma Jackson.