JWT New York brought on Claire Grupp as director of integrated production. ... Euro RSCG Worldwide hired four new creatives including former TBWA/Chiat/Day, New York art director Tony Larsen and copywriter Andy Currie, as well as Miami Ad School grads Mo Alam as art director and Adam Rosenberg as copywriter. Additionally, Euro RSCG Chicago welcomed Stacey Rubin as director of growth. ... Agency.com announced the appointment of creative director Steven Nasi and director of information architecture David Sansone to the New York office. ... TWC Films signed director Sebastien Chantrel for representation in the U.S. ... Paul Abatemarco joined Radium as new head of sales in San Francisco, Santa Monica and Dallas. ... Director of photography Morgan Pierre Susser left Skouras Agency for Paradigm Agency LA. ... Tool of North America added Swedish director Anders Hallberg to its roster. ... Kevin D. Omans, Sandy Schadler and Sharon M. Condron signed to Campbell-Ewald's digital division. ... Clay Staub enlisted with Rhythm + Hues Commercial Studios' roster. ... Über Content snagged Sundance fave director Jason Kohn for exclusive US spot representation.