North American Refractories Co
Quality Control Manager
Shamrock Proppants LLC
Chief Operating Officer
Ineos
Plant Manager
Saint Gobain Proppants
Global Operations Manager
Christy Industrial Services Co., LLC
Vice President
Angstron Materials
Vice President of Production
Leacon-Sunbelt Inc
Business Manager
North American Refractories Co
Manufacturing Superintendent
Ashland Inc
Plant Manager
Saint-Gobain
Plant Manager
University of Missouri-Rolla
