John Corbett

About John Corbett

Operations, supply chain, and purchasing leader with 25+ years of experience driving production planning, scheduling, procurement, and inventory optimization in manufacturing and distribution environments.Known for delivering rapid, measurable results — including reducing late orders from 100+ to fewer than 15 within six months and significantly improving customer OTIF performance through disciplined MRP execution, production travelers, and shop-floor alignment.Expert in ERP/MRP systems (Microsoft Dynamics AX, AS/400, STRATIX, Invera-Stratix, E-Stelplan) and skilled in demand planning, BOM accuracy, supplier negotiation, capacity planning, lead time and safety stock management, and inventory optimization.Lean Six Sigma practitioner and ISO 9001 Certified Internal Auditor, experienced in cross-functional leadership with operations, engineering, quality, sales, and logistics teams to drive cost reduction, process improvement, and on-time delivery.Open to leadership opportunities in Production Planning, Supply Chain Management, Purchasing, and Operations, where strategic execution and measurable results matter.

Experience

1. Purchasing & Production Planning & Customer Service Manager

   Percor Manufacturing Inc

   Apr 2025 — Present

   Lead strategic sourcing and procurement of carbon and stainless steel to support production requirements.Direct production scheduling and demand planning using MRP outputs to balance capacity, material availability, and customer due dates.Utilize MRP signals (planned orders, firm planned orders, lead times, and safety stock parameters) to maintain accurate inventory levels, minimize shortages, and support production schedules.Create, release, and maintain detailed production travelers (job tickets), including routings, work centers, BOM verification, operation sequences, and revision control to support accurate manufacturing execution.Coordinate order management and fulfillment from order intake through delivery.Drove significant schedule recovery within six months, reducing late orders from over 100 to fewer than 15 and improving customer OTIF performance by tightening production scheduling, improving traveler accuracy, and aligning MRP signals with shop-floor execution.

Education

• Wyoming Public High School

  HS Diploma, General

  1986 — 1989

Skills

• Purchasing
• Procurement
• Inventory Management
• Supply Chain Management
• Materials
• Manufacturing
• Continuous Improvement
• Inventory Control
• Forecasting
• Process Scheduler
• Team Building
• Process Improvement
• Supply Chain
• Materials Management
• Warehousing
• Supervisory Skills
• Mrp
• Lean Manufacturing
• Management