General Motors, the automobile manufacturer that had $104.3 billion in revenues in 2009, the year in which it filed for bankruptcy, named Daniel Ammann treasurer and vice president of finance. He succeeds Walter Borst, the company's treasurer since 2003, who is now CEO of Promark Global Advisors, the company's asset management subsidiary. Ammann, 37, most recently was a managing director and head of industrials investment banking at Morgan Stanley, where he had worked for 11 years.

PepsiCo, the $43.2 billion soft drink maker, promoted Hugh Johnston to CFO. He succeeds Richard Goodman, 61, who becomes executive vice president for IT, procurement, operations and post-merger integration. Johnston, 48, most recently served as executive vice president of global operations at Purchase, N.Y.-based PepsiCo. Since joining the company in 1987, he has worked in M&A, finance and strategy positions, including CFO for the beverages and foods unit and senior vice president of transformation.

USG Corp., a manufacturer of building materials with $3.2 billion of 2009 revenue, hired William Kelley Jr. as controller and vice president. He succeeds D. Rick Lowes, who was named senior vice president of finance. Kelley, 45, is joining Chicago-based USG from Pepsi Beverages, where he had been vice president of finance for field sales since 2007. Earlier, Kelley served as vice president for east group finance at Pepsi. He has also worked as an accountant for a unit of Cargill and at Arthur Andersen.