TINLEY PARK, Ill.— U.S. Minerals, producers of Black Diamond abrasive blasting media and high-quality slag roofing granules, recently welcomed Peter Kossis as president. He has extensive experience managing national and international enterprises, having most recently served as plant manager for the Cement Slag Operations in Chicago for LafargeHolcim, the largest building materials supplier in the world, headquartered in Zurich, Switzerland.
“We are thrilled to have Peter join the company at a time when our world-class slag products are supporting mission-critical infrastructure initiatives,” said Fred Vukas, founder of U.S. Minerals and current chairman of the board. “He is well-positioned to drive innovation at the plant and corporate levels, and to ensure that U.S. Minerals continues to be the most reliable source of coal, copper, and specialty slag products for the many industries we serve.”