After studying landscape architecture at the University of California at Berkeley and production design at the American Film Institute on fellowship, Hammock developed and designed the critically acclaimed horror film All The Boys Love Mandy Lane with writer Jacob Forman. The film was purchased in intense competition by the Weinstein Company at the Toronto International Film Festival. Recently he designed You're Next, The Guest, V/H/S/2, Blair Witch and the Outcast pilot (The Walking Dead creator’s new show.) for long time collaborator Adam Wingard. The two just finished principal photography on the adaptation of the Japanese manga Death Note.