She had been senior partner and media director at the Thompson Atlanta office.
She began at the agency one year ago as media director.
She was the media director for his successful bid in the Labour leadership election, 2010.
He joined Bozell in 1986 and held posts there that included worldwide media director.
Kay worked as a computer technician and part-time media director for his local church.
Some advertisers and media directors say they will watch the performance of the magazine with interest.
He had previously been vice president and media director.
The agency may also appoint a worldwide media director, to be based in London.
Advertising space or time is bought only after senior planners, an agency's media director and a client give final approval.