Rex Simpson Email & Phone Number

Boise, Id, Us

Boise, Idaho, Us

Responsible for managing and directing the mining, processing, and shipping facilities for Simplot’s silica operations. Responsible for operating budget and capex budget. Oversees mine personnel and responsible for employment, union contract, safety, environmental, purchasing, engineering, customer service and product delivery. Provide oversight in new product/customer development. Implemented reliability and maintenance improvement initiatives and systems.

Limelette, Walloon Region, Be

The Lhoist Group develops high quality solutions from the finest natural mineral resources. The carbonates, lime, dolime and speciality products bring essential functionalities to our customers' processes. Each manufacturing step is long-term oriented towards a sustainable methodology, from the first deposit exploration until the restoration of our quarries. Specialties in Mining, Lime, Dolime, and Carbonates.As Plant Manager, Rex Simpson was responsible for leading the management and operations of two lime manufacturing plants with multiple sites and mining operations with annual combined operating budgets of $88M. Oversaw the following areas: Safety, Quality Control, Title V Environmental Permitting and Compliance, Operating Cost and Budgets, Plant and Quarry Maintenance, Construction, Capital Projects, Manning, Personnel Development and Training and Union Negotiations. Directed a salaried staff of 37 professional personnel and 140 Union production employees• Responsible for managing and overseeing a 7.5M-ton mining, 630k+ ton rotary-lime kiln(s) and hydrator operations. • Extended mine reserves by 100M tons by defining new ore seams through Exploration, Mine Planning, Quality Control, and Process Optimization.• Collaborated closely with Sales to resolve customer complaints and meet customer expectations.• Coordinated with Marketing and Logistics teams to meet customer shipment.• Implemented continuous improvement programs to improve maintenance, equipment reliability, kiln efficiencies, plant performance and reduce operating cost. • Applied extensive knowledge in operation and maintenance of rotary kilns, solid fuel systems, hydration plants, mining and crushing systems, process control systems and material handling systems.

Limelette, Walloon Region, Be

As Maintenance Manager, Rex Simpson managed and coordinated the Maintenance and Electrical Departments for the mine and plant. Directed the maintenance of the mobile equipment (Drills, Truck, Loaders, etc.), crushing, screening, rotary kilns, coal mills, hydrator and material handling equipment. • Led the Maintenance Department in Total Productive Maintenance (TPM) initiatives that maximized operations efficiencies and optimized maintenance processes that resulted in a 10% availability improvement.• Directed and coordinated SAP implementation that improved schedule compliance by 20%. • Applied mechanical proficiency and in-depth knowledge of equipment engineering including mechanical design, product development, manufacturing, installation and repair.• Established a performance based contract and condition monitoring program with local Cat dealership that increased equipment availabilities by 9% and improved mine production by 15%.

Limelette, Walloon Region, Be

Chemical Lime Company, a subsidiary of Lhoist North America produces lime and lime-based products derived from calcium-rich limestone. The company's primary product, quicklime (or calcium oxide) is used for steelmaking, ore processing, industrial manufacturing, and construction. The company's products also serve environmental purposes such as wastewater treatment and softening drinking water, as well as roadbed stabilization. Lhoist North America provides lime slurry (hot liquid lime) to its customers from its mobile PORTA BATCH concentrated production units. One of the largest lime companies in the world, Belgium-based Lhoist, owns Lhoist North America, which was founded in 1966.As Plant Manager, Rex Simpson led the management and operations team of a world class “Type S” lime processing plant, recognized across the industry as the leader in quality and performance. Oversaw Safety, Quality Control, Environmental Permitting and Compliance, Operating Cost and Budgets, Manning, Personnel Development, Union Negotiations, Maintenance and Capital Projects• Implemented plant-restoration program that significantly improved plant cleanliness, plant appearance and improved safety. • Led the Henderson plant to set 6 consecutive annual production records by improving plant performance, improving equipment availability and reliability, improving EBITDA by 42% and increasing plant productivity and capabilities by 38%.

Limelette, Walloon Region, Be

As Mine Manager, Rex Simpson was responsible for the management and operations of two mines in Southern Nevada, including the design and long range strategic planning, as well as daily development and production achievements. Oversaw the design, permitting, and development of two new mines and served as the principle lead in BLM land purchase, along with the associated EIS and environmental, archaeology, and wildlife mitigations.• Oversaw two large aggregate contractors who lease and operate on site.• Optimized drilling and blasting performance by implementing best practices and design.• Reduced mining and transportation costs by 42% and increased productivity by 50%.

Limelette, Walloon Region, Be

As Engineering Manager, Rex Simpson managed and coordinated the maintenance and electrical departments for the plant and mine. Directed the maintenance of the mobile equipment (Drills, Truck, Loaders, etc.), crushing, screening, rotary kilns, coal mills, hydrator, and material handling equipment. Engineered and supervised the installation of the Plant’s HMI and PLC control systems. Responsible for coordinating engineering studies and process improvements, while optimizing plant and equipment designs, overseeing project development and construction management of capital projects.

Limelette, Walloon Region, Be

As Process Engineering Manager, Rex Simpson managed $10M rotary kiln modernization project, involving over 150 skilled contractor employees, consisting of complete replacement of the kiln, preheater, drives, induction fans, firing hoods, coolers, electrical switchgear and associated material handling equipment on two rotary lime kilns. Responsible for the engineering, programming and installation of Allen-Bradley PLC control system and automation systems, increasing fuel efficiency by 28%, and productivity by 22%. Developed air emissions inventories and negotiated a Title V air permit and compliance schedule.

New Canaan, Ct, Us

Unimin Corporation is North America's largest producer of non-metallic industrial minerals; the fundamental building blocks of nearly every manufacturing and industrial process. Unimin is an integral supplier to a diverse customer base whose applications range from glass and ceramics, to metal casting and metallurgy, to hydrocarbon and solar energy production, to semi-conductor computer chips. As Plant Superintendent, Rex Simpson managed and directed the mining, processing and shipments of Industrial Sand products. Responsible for drilling, blasting, stripping, mining, reclamation, pumping (slurries), conditioning, flotation, drying (rotary), screening, and truck/rail shipping. Oversaw mine permitting, mine planning and pit development. Directed and coordinated the maintenance and electrical departments for the mine and plant. Established and maintained cost budgets for Operations and Maintenance departments. Ensured that safety, quality and environmental regulations were established and maintained. Established and implemented a quality/SPC program in the mining and plant areas. Engineered and coordinated all capital improvement projects that included; the installation of a new crushing system, motor control centers, plant transformers, mine de-watering system, plant process water system, electrical distribution system, screening tower and tailings dam.

New Canaan, Ct, Us

As Mine Manager, Rex Simpson managed and directed the mining, processing, and shipments of Industrial Sand products. • Responsible for the following activities: drilling, blasting, stripping, mining, reclamation, pumping (slurries), conditioning, flotation, drying (rotary), screening, and truck/rail shipping. • Responsible for mine permitting, mine planning, and pit development. • Directed and coordinated the maintenance and electrical departments for the mine and plant.• Established and maintained cost budgets for operational and maintenance departments.• Ensured that safety, quality, and environmental regulations were established and maintained.• Established and implemented a quality/SPC program in the mining and plant areas.