Geometry has named a global creative chief, a year after WPP Group combined G2, OgilvyAction and JWTAction to create the global retail marketing shop.
Jon Hamm, a top executive at Momentum, has assumed the newly created role of chief creative officer. He'll be based in New York and report to CEO Steve Harding.
"We are aiming to redefine activation and this will require exceptional creative work," Harding said, in a statement. "Jon, as a recognized innovator and an inspiring personality, will help us achieve our vision to be the most imaginative, effective and influential activation network and do even more creative work that brings greater results for our clients."
Hamm was chief creative and innovation officer at Momentum in New York, where had worked since 2010. During his tenure, he handled brands such as Coca-Cola, Nestlé, Sony, William Grant and American Express, for which the agency developed the "American Express Unstaged" series.
This year, Hamm also served on the Cannes Lions Branded Content and Entertainment Jury. Earlier in his career, he helped launch Greenroom Digital in London, which worked for the likes of Sony PlayStation, Nestlé, TopShop, and 20th Century Fox before it was acquired by Interpublic Group's Momentum Worldwide in 2008.