Missy Battle has rejoined Peter A. Mayer Advertising as art director. Battle returns to the New Orleans shop after receiving her master's degree in advertising from the University of Texas in Austin. She previously served as associate art director. The agency has also installed Jennifer Rockvoan as interactive developer. Rockvoan most recently was a Web developer at Pride Marketing & Procurement. Melyne Barrett has been hired as an assistant media planner. Barrett previously was an account executive and media buyer at GWL Advertising in Little Rock, Ark. In addition, Mayer has promoted Samia Saleem from associate interactive designer to interactive designer. Saleem is a graduate of Loyola University.