Northwestern Mutual, a leading financial security company, announced today that Randolph W. Melville has been appointed to serve on the company’s board. Melville was the senior vice president and general manager for the Western Division of Frito-Lay North America, the $14 billion convenient foods business unit of PepsiCo, until his retirement in 2017. In that position he was accountable for all aspects of the company’s western division performance. “Randy has a deep understanding of the challenges and opportunities...