PEORIA, IL-Caterpillar Inc. has elected David L. Calhoun and Dennis A. Muilenburg to its Board of Directors.

Calhoun, 54, currently is CEO of Nielsen. Prior to joining Nielsen in August 2006, Calhoun served as Vice Chairman of General Electric Company and president and Chief Executive Officer of GE Infrastructure.

Outside of Nielsen, Calhoun serves on the board of the Boeing Co. and on the Board of Medtronic, Inc.

Muilenburg has been executive vice president of The Boeing Co. and president and CEO of Boeing Defense, Space & Security since September 2009. Muilenburg joined Boeing in 1985 and, since that time, he has held a series of key positions with increasing responsibilities with Boeing.

Muilenburg serves on Boeing's Executive Council. He also serves on the Association of the United States Army ("AUSA") Council of Trustees and the Washington University Board of Trustees, and he is an Associate Fellow of the American Institute of Aeronautics and Astronautics and a Fellow of the Royal Aeronautical Society.