Jim Young was named CIO at PPM America, confirmed spokesman Andrew Silver. Mr. Young takes over from Leandra Knes, president and CEO at PPM America, who previously held the role of CIO in addition to her executive responsibilities. Mr. Young will oversee all portfolio management and public fixed-income functions. He also will continue with his duties as chief credit officer at PPM America, Mr. Silver said. PPM America is a money manager with about $78 billion in assets under management.