The agency has been charged with creating a campaign to help redefine and rebuild the 76-year-old magazine brand.
The title, which was founded in 1930, is famous for features such as Most Admired Companies and surveys such as Fortune 500, which lists the world's top 500 companies.
Gene Foca, the vice-president of consumer brands and marketing for the Fortune/Money Group, said he believed the agency's mission to spark cultural movements for brands suited the company's advertising needs.