Ad Biz | Agencies | Brands | Campaigns | Digital Cavelletti Clues Us in On Latest Work from Brazil By Kiran Aditham on Sep. 25, 2012 - 1:15 PM In case you were wondering what the latest word is with Mauro Cavalletti, the former Mullen chief digital officer and current JWT Brazil chief integration officer, the exec has filled us in on some interesting work for Coca-Cola.� ...