Walid Raad (Ra'ad) (Arabic: وليد رعد) (born 1967 in Chbanieh, Lebanon) is a contemporary media artist. The Atlas Group is a fictional collective, the work of which is produced by Walid Raad. He lives and works in New York, where he is currently an associate professor at the Cooper Union School of Art.
His works to date include video, photography and literary essays. All, in one way or another, deal with the contemporary history of Lebanon with particular emphasis on the wars in Lebanon between 1975 and 1991. The work is also often concerned with the representation of traumatic events of collective historical dimensions; and the ways film, video, and photography function as documents of physical and psychological violence. He is also a member of the Arab Image Foundation.