John Perriss may be out as CEO of Zenith Optimedia Group, reports Advertising Age. The trade publication speculated that Rich Hamilton, CEO of Zenith's North American operations, is a contender to
succeed the U.K.-based Perriss who masterminded Zenith, the first of the major unbundled media agency infrastructures. The moves are said to be part of a bigger reorganization of the unit, which
parent Publicis may want to integrate more closely with its other global media network, Starcom MediaVest Group