Cliffs Natural Resources Inc. announced James Graham, formerly vice president, general counsel-global operations, has been appointed vice president and chief legal officer. Carolyn Cheverine, formerly general counsel-corporate affairs and secretary, has been promoted to vice president, general counsel and secretary. The company also announced that Paul West has been appointed director of corporate sustainability.

Peabody Energy has appointed Matt Brock president–Peabody COALTRADE.

Tennessee Valley Authority Executive Vice President and Chief Generation Officer Kimberly S. Greene announced she will be leaving her current position to become president and CEO of Southern Company Services, effective April 1.

Gerald (Jerry) H. Luttrell, the E. Morgan Massey professor of Mining and Minerals Engineering at Virginia Tech, has been elected to the National Academy of Engineering. Luttrell’s nomination was based on his advancement of separation technologies for the mineral and coal industries, pioneering new fields of technology in the environmentally clean processing of mined materials. He holds 18 patents, many of which are in commercial use. His patents address three important industrial problems in mining: fine particle flotation, coarse particle flotation and fine particle dewatering. Most recently, Luttrell has developed a computer program that can be used to optimize the design of minerals and coal processing plants.

Liebherr Construction Equipment Co. has promoted Ana Cabiedes-Uranga to marketing and communications manager.

Sandvik announced that Jonas Gustavsson, currently president of Sandvik Materials Technology, has been appointed president of Sandvik Machining Solutions and Petra Einarsson has been appointed president of Sandvik Materials Technology and a member of Sandvik’s Group Executive Management.

J.H. Fletcher & Co. has appointed Frank Fetty and Mike Gissel to its sales department team.

Atlas Copco Rental has appointed Calvin Byers vice president of business development.

Eriez announced that Jose Marin has been promoted to director of minerals and materials processing and Andrew Goldner has been promoted to senior manager, exports. The company also announced that John Blicha has been promoted to director of corporate communications.

Klüber Lubrication North America L.P. has appointed Ralf Kraemer CEO.

The NanoSteel Co. has appointed Harald Lemke vice president and general manager of the company’s powder metallurgy business.

Smico/Symons Screens has appointed Alan Odgers vice president.

River Consulting has appointed Tim Toth director of automation services.