Kossis joins U.S. Minerals as president

  • Peter Kossis

    Peter Kossis

Updated 6/18/2020 10:26 AM

U.S. Minerals, a Tinley Park-based producer 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.


Since taking the helm in April, Kossis has ensured that all U.S. Minerals plants continue to operate safely amid nationwide shelter-in-place orders. He has also been driving upgrades and facility enhancements to meet steady demand from the abrasives and roofing industries.

Kossis holds an MBA from Duquesne University, an M.S. in Chemical Engineering from Florida Institute of Technology, and a B.S. in Chemistry from Gannon University, where he is a Hall of Fame inductee. In addition to his most recent roles with LafargeHolcim, he has held leadership roles with Italcementi Group in Cyprus and Kazakhstan, Maillis Group in Greece; Titan America; Michael Baker Corporation; and Keystone Environmental Services.

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