THE EXCHANGE; In the hole; When Alexandre Macedo became Tim Hortons president two years ago, it was in the midst of a franchisee revolt. Can this hot shot Brazilian return the coffee chain to its former glory? /By Trevor Cole

Few people who roll up the rim have any idea that, for the past five years, Canada's favourite coffee and doughnut brand has been the property of a Brazilian private equity firm called 3G. When 3G bought Tim Hortons in 2014, it paired it with its other fast-food acquisition, Burger King, and made them two arms of a company called Restaurant Brands International (RBI has since added fried chicken brand Popeyes to the fold). It's clear by now that the 3G-RBI team runs the same playbook with each a...