R/GA added Barbara Hamilton as executive creative director for its Johnson & Johnson account. ... Glam Media appointed former DoubleClick VP Ralf Hirt to vice-president, international. ... Digital studio Radium San Francisco/Santa Monica/Dallas launched a new full-service editorial division. ... VFX studio Guava signed Emily Sussman as a producer. ... Dave Dakich of Double D Representation is now repping Finger Music LA. ... HLA enlisted director Kjetil Njoten. ... FilmCore Editorial promoted Jon Ettinger to managing director. ... Visual Music welcomed Academy Award-nominated sound artist Herwig Maurer to its roster. Kids' advertising director Bob Ebel, picked Story for exclusive national representation. ... Independent, minority-owned communications agency West Cary Group (WCG) opened its Richmond, VA office.