David Levien is an American screenwriter, novelist, director, and producer. Best known as the co-writer of Ocean's Thirteen, and Rounders Levien has also produced films such as The Illusionist and The Lucky Ones. Levien frequently collaborates on projects with his writing partner Brian Koppelman.As a novelist, he has published City of the Sun, Where the Dead Lay, 13 Million Dollar Pop, and Signature Kill. Earlier works are often published under D.J.