30 Jul 2015 No More Free Cheese Sticks for Kraft Employees in Cost Crackdown The changes echo an overhaul that Chief Executive Officer Bernardo Hees led at Heinz two years ago after Warren Buffett’s Berkshire Hathaway Inc. and investment firm 3G Capital took over the ketchup maker. Within weeks of that deal’s completion, top executives departed and the new management team went to work cutting costs and thousands of employees from corporate headquarters to the factory floor.