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Rex Simpson is an experienced General Manager at J.R. Simplot Company, overseeing the mining, processing, and shipping facilities for silica operations since 2015, including budget management. Prior roles include Plant Manager at Lhoist North America, responsible for developing high-quality mineral solutions, and Mine Manager where operations of two mines in Southern Nevada were directed. Rex Simpson has managed multiple projects, including a $10M rotary kiln modernization that boosted fuel efficiency by 28% and productivity by 22%. Educational credentials include a Bachelorā€™s Degree in Mining and Mineral Engineering from the University of Utah.