Nestle USA says that its U.S. operations will soon be led by its current head of business in the U.K. and Ireland, Paul Grimwood. Grimwood becomes CEO and chairman of Nestle USA in October. In September, Tracey Belcourt will join Kraft Foods as executive vice president, strategy, leading mergers and acquisitions activities for the global snacks company, Mondelez International Inc., and evolving and implementing the company's growth strategy.