View Post Agencies | Brands Tiffany’s Appoints Ogilvy as Global Agency Partner By Kiran Aditham on Feb. 24, 2014 - 7:00 AM After a four-month search, New York-based luxury jewelry retailer Tiffany & Co., which had previously handled marketing internally, has found a global agency partner in Ogilvy & Mather, whose NYC and Paris offices will ser ...