New York-based visual effects and animation studio Spontaneous has promoted design director John Leamy to creative director and director of animation Lawrence Nimrichter to associate creative director. The company has also hired Andy Milkis (formerly of Splash Design and Black Logic) as director of visual effects, and film and television veteran Amy Teter has signed on as a producer. ... Paul Chiemmongkoltip has been hired as an art director in Euro RSCG's Chicago office. Chiemmongkoltip was previously an art director at Draft/Chicago. ... Saatchi & Saatchi has hired former Publicis Mojo Melbourne copywriter Steven Jackson as creative group head for the agency's Lexus account, among others. ... Toronto-based editorial house Rogue Editorial has signed freelance editors Arch Van Dyke and Mark Clermont to its stable of editors. ... Santa Monica-based production company Millennium Pictures has signed director Marshall Vernet for exclusive U.S. spot representation. Vernet was previously repped by Pictures in a Row. ... San Diego-based online agency Geary Interactive has opened a new office in New York. ... Elexis Stearn has been promoted from west coast sales rep to head of production at Zoic Studios in L.A.