Patriot Coal Corporations, a producer and marketer of coal in the eastern United States, has promoted Christopher Knibb to chief accounting officer, in addition to his current roles as vice president and controller.

In his new position, Knibb will have primary responsibility for Patriot's accounting and financial reporting in addition to the tax, internal audit and financial planning and analysis functions. He will continue to report to Senior Vice President and Chief Financial Officer, Mark Schroeder.

Prior to joining Patriot, Knibb served as vice president of finance for American Power Conversion, and vice president and corporate controller for SAVVIS.