Ford Motor Co. (F) on Thursday announced more management changes as it tries to turn around its North American automotive operations.

The No. 2 U.S. automaker named Anne Stevens (search) as chief operating officer of its Americas division. Stevens was previously group vice president of Ford's operations in Canada, Mexico and South America.

The shake-up is the latest in a series of management changes at the automaker, which is struggling to stem losses in its North American business. In the second quarter, the division swung to a pretax loss of $1.21 billion, including charges.

Stevens — one of the highest ranking women in the automotive industry — will report to Mark Fields (search), president of the Americas business.