Eric Newnham is stepping down as chairman of Kinetic Worldwide, the global out-of-home media services unit of WPP Group. The move follows the appointment of Steve Ridley to Global CEO in March 2010.
Newnham had served as chairman of Kinetic Worldwide since 2005, following the merger of Poster Publicity International with WPP's Portland International. The agency is the biggest buyer of out-of-home
media in the world, with global billings of $4.4 billion and 800 employees in 39 offices in 21 markets.