It's all change at the top for Kellogg with the cereal giant set to start the New Year with a new CEO. In the UK, the country's largest food maker, Premier Foods plc, has made a series of management changes it hopes will drive sales and assuage investor pressure. And, following PepsiCo's move for Wimm-Bill-Dann, the M&A spotlight remained on Russia with X5 Retail Group's US$1.6bn acquisition of discount chain Kopeyka.