Digitas Chicago announced Wednesday that it has hired marketing veteran Donna Biernadski as senior vice president to head up the massive Sprint Nextel advertising account, which the agency begins managing next month.

Biernadski will lead “Team Sprint,” a collaboration between Publicis agencies Digitas and Leo Burnett that won the $1.1 billion account from San Francisco-based Goodby, Silverstein & Partners in December.

Formerly marketing director for The Morton Arboretum in Lisle, Biernadski’s 20-year career includes stints at Wunderman, Euro RSCG and DDB. She will report to Doug Ryan, managing director of Digitas Chicago.

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