WPP Group's GroupM unit Monday named Tom Dempsey director of digital investment for GroupM North America, a new position giving him oversight for reviewing all business transactions with online
suppliers across the GroupM agency network: MindShare, Mediaedge:cia, MediaCom and Maxus. Dempsey, who will be based in New York and reports to GroupM Chief Investment Officer Rino Scanzoni, had
been managing partner-director of national broadcast at GroupM's Mediaedge:cia unit.
