From Longman Dictionary of Contemporary Englishart directorˈart diˌrector noun [countable] AMFsomeone whose job is to decide on how pictures, photographs etc will look in a magazine, film, advertisement etc
Examples from the Corpus
art director• For some years now, writer and art director have been considered as equal partners working closely together.• Do not let your editor or art director unduly influence you.• Phil Bicker, our art director, never goes home. 9.• Leaver, then camping out on Oz art director Jonathan Goodchild's floor, joined the staff.• When he awoke, he found himself in San Francisco -- as the art director of a ballet magazine.• So an illustration may offer far wider possibilities for the art director to achieve special effects and a distinctive style.• Martin Sharp's ability as an illustrator and former Oz co-editor, made him the art director.