Creative agency Cornerstone announced the promotion of Jeff Tammes to the role of chief creative officer.
Tammes joined Cornerstone 15 years ago as one of the agency’s original members in its flagship New York office. He was responsible for launching and continues to lead the agency’s “Create” division, which is now a part of all four of the agency’s offices in New York, Los Angeles, London and Sao Paulo. Tammes has also played an important role in the agency’s “Amplify” division, which supplements the agency’s creative work with digital, experiential, social, and public relations. He led recent new business wins, including work for Budweiser, the Milwaukee Bucks and Bluepoint Brewery and has worked with clients including Bushmills, Converse and Johnnie Walker.