Extending its global reach, @radical.media has opened an operation in Sydney, Australia, complementing its footholds in London, New York and Santa Monica. The company also maintains a sales office in Paris….Los Angeles-based U Ground has entered into an association with Crossroads Films, the bicoastal house with offices in Chicago and Atlanta….BBDO West, Los Angeles, has hired as chief creative officer Ken Mandelbaum, a former principal of San Francisco agency Mandelbaum Mooney Ashley….Miriam Franklin has joined New York-based Five Union Square Productions as head of production….MTV Animation is now marketing itself as available for commercials….Commercialmaker Terry Windell directed an episode of Star Trek: Voyager slated to air Jan. 13 on the UPN network. At press time, Windell was in production on a two-hour telefilm for Star Trek: Voyager entitled Dark Frontier, scheduled to debut during February sweeps. Windell directs spots through Los Angeles-headquartered A Band Apart Commercials, which also maintains offices in New York and Minneapolis….Congratulations to Jeanne Bonansinga, owner/editor at Chicago-based creative edit house Edit Sweet, and her husband Jay, who welcomed their first child, Joey, born Dec. 30 and weighing in at 9 lbs, 6.5 oz.; both mother and son are doing well….