Mark Sliwoski

• Serve as the supervisor for the plant’s mill to ensure quality stucco is available for production. • Developed raw material and finished product warehouse maps through AutoCAD. • Rotated through all job positions to learn the entire wallboard manufacturing process. • Collaborate with Plant Manager, Production Manager, Safety Manager, etc. to reach KPIs and plant objectives. • Support continuous improvement initiatives by identifying inefficiencies and suggesting process enhancements. • Attended Workplace Leadership Systems (WLS) trainings in Charlotte, NC and Apollo Beach, FL to expand knowledge of manufacturing leadership and safety. • Trained under former Office Manager to become SAP backup to support plant with production entry, inventory reconciliation, and invoicing demands as needed. • Document and analyze data related to production, quality and safety metrics, efficiency, and performance.

• Assisted in the implementation of a $2.5M capital expenditure project to increase plant production to 600 tph • Assisted with the integration of Diamondback Materials and Arizona Materials into the Summit ecosystem upon Summit’s acquisition of each company • Led weekly long-format safety meetings to ensure the safety and well-being of over 20 crew members • Performed biweekly drone flights to ensure inventory was kept within a 5% margin of error • Coordinated multiple subcontractors on a regular basis • Developed a digital time-keeping program to track labor hours • General maintenance scheduling, parts procurement, and management skills • Created and administered a SharePoint for Arizona group members to better store and share files • Developed detailed plant layout maps using AutoCAD

• Determine and calculate production quantities and communicate to management to ensure their understanding of our cost to produce • Prepare, implement, and test SWPPPs, hazardous materials plans, in conjunction with the Environmental Department to ensure compliance with regulatory requirements • Perform operational improvement studies and recommend improvement or process modifications to ensure the most efficient operations are implemented • Conduct and participate in safety audits and meetings to ensure a safe working environment at all times • Prepare and prioritize maintenance and repairs of material processing equipment to ensure cost efficient maintenance schedules • Manage spare parts inventories so crews can make efficient repairs • Perform semi-annual inventory reconciliations to ensure accuracy • Support Plant Manager, foreman, and superintendents as needed to ensure the success of the operation

Seasonal crew member who helps to clean and repair James Madison University's Aspen Heights apartments before their school year begins

Worked as a seasonal employee for UPS as a driver helper during their peak holiday season. Assisted with the organization of packages within the truck and delivery of packages from truck to door as well as pickups from door to truck.

Lifeguarded at various pools under the management of the Staunton-Augusta YMCA. Head Lifeguard at The Club at Ironwood for the summer of 2018.