Orlando-based branding agency PUSH has hired Catherine McCulloch as director of creative services. Prior to joining PUSH, McCulloch served as director of creative services at Eleven/San Francisco. … Final Cut/Los Angeles has welcomed editor JD Smyth to its roster. The veteran editor was previously at Rock Paper Scissors and has edited documentaries, music videos and short films in addition to his commercials work. … Former The Jim Henson Company CEO Charles Rivkin has been appointed CEO of San Francisco-based animation studio Wild Brain.