Sean Duitman

Seasoned operations professional with 17 years of experience driving operational safety, efficiency, continuous improvement, and business results. Proven expertise in leadership, safety and compliance, KPI analysis, process optimization, performance management, strategic planning, and cross-functional execution. Track record of improving efficiency and meeting deliverables while maintaining a strong safety-first culture.

Committed to building accountable teams and creating operational environments where safety, quality, productivity, and performance work together.

Site Manager at Oldcastle APG (2025-05 – 2026-07)

• Improved throughput 30% from Q4 2025 to Q2 2026 while increasing business margin from 35% to 43% through targeted operational improvements.
• Used real-time leading indicators to drive operational decisions, contributing to the site's ranking as the top-performing site in the region in Q2 2026.
• Reduced operating costs by right-sizing the team, reducing overtime, and introducing a pallet management program.
• Lowered cost of quality by $250K year-over-year by empowering operators with greater visibility, education, and accountability to make better operational decisions.
• Led a $2M+ CAPEX project to improve quality and sustainability, conducting research, developing the proposal, and building cash flow and payback analyses to support the investment.

Director of Operations at Oldcastle APG Canada West (2023-12 – 2025-05)

• Directed operations across three sites, leading 9 direct and 80 indirect employees while maintaining responsibility for daily operations at the Balzac site in addition to the Director role.
• Doubled production capacity from 6 million to 12 million square feet by rolling out a 24/7 production plan, expanding the site's ability to supply Western Canada and parts of the U.S.
• Drove operational performance across the region, with one site earning Site of the Year recognition two consecutive years in 2023 and 2024.
• Maintained an RIR below 1 across operations, reinforcing a strong safety culture while managing a large, multi-site workforce.

Operational Performance Lead for Western Canada at Oldcastle APG Canada West (2022-03 – 2023-12)

• Delivered $1M in total savings by leading a regional mix-design review and creating, trialing, and validating new mix designs across the region.
• Led operational performance initiatives across six sites, using KPI analysis to identify performance gaps and drive targeted improvement opportunities.
• Developed and delivered frontline leadership training for 40+ frontline leaders, strengthening leadership capability, accountability, and operational performance across Western Canada.

Operations Manager at Oldcastle APG Canada West (2018-02 – 2022-03)

• Achieved a 45% business margin by increasing throughput, right-sizing the labor force, reducing raw material and supply costs, and ensuring accurate costing.
• Established a sustained record of operational excellence, earning Site of the Year recognition and ranking as the top-performing site in the region for five consecutive quarters.
• Maintained an RIR below 1 while leading 3 direct and 30 indirect employees, strengthening productivity, operational reliability, and safety performance.
• Completed multiple CAPEX projects to improve plant performance, operational efficiency, and profitability.

Production Supervisor at Oldcastle APG Canada West (2017-10 – 2018-02)

• Increased plant throughput by 30% by implementing a comprehensive operational improvement plan.
• Led a team of 20 direct reports, driving daily production performance, accountability, and execution.

Yard Lead Hand & Site Safety Coordinator at Oldcastle APG Canada West (2009-03 – 2017-10)

• Managed 75,000–100,000 pallets annually with zero errors, maintaining accuracy and reliable material flow across yard operations.
• Rolled out a comprehensive site safety management system, establishing standardized safety processes and expectations across frontline operations.
• Led a team of five direct reports, coordinating daily yard operations while reinforcing safety, productivity, and accountability.

Diploma in Business Administration & Management – Southern Alberta Institute of Technology (SAIT) (2026)

Associate Project Manager in Project Management – Northern Alberta Institute of Technology (NAIT) (2018)