Director, Sales, Inventory & Operations Planning

About mSupply

mSupply is North America’s leading distributor of OEM repair parts and equipment, serving professionals in the appliance, HVAC, plumbing, commercial kitchen and pool/spa industries. Headquartered in St. Louis, MO, mSupply is a multi-billion dollar enterprise offering an extensive product range, industry expertise and seamless service. With more than 2,000 associates across the U.S. and Canada, mSupply’s family of brands delivers with speed, reliability and precision through its branches, distribution centers and extensive fleet of delivery vehicles.

Shipped orders reach 93% of U.S. customers via next-day ground delivery and 100% within two days.

is a senior supply chain leader responsible for orchestrating the integrated planning process across mSupply's HVAC, plumbing, and appliance product lines. This individual will serve as the central architect of mSupply's demand‑supply balancing strategy, ensuring that customer commitments, inventory investments, and supplier commitments are aligned to support both short-term execution and long-term business growth. Reporting to executive leadership, the Director of SIOP will build and lead a high‑performing planning team, drive cross-functional alignment, and deliver a disciplined, data‑driven planning cadence that supports mSupply's position as a trusted OEM distributor.

• Design, implement, and continuously improve mSupply's end-to-end SIOP process, including monthly planning cycles that integrate demand, supply, inventory, and financial plans.
• Lead the monthly SIOP executive review, facilitating cross-functional alignment among Sales, Procurement, Finance, and Operations to resolve gaps and drive consensus on a unified operating plan.
• Own and develop the demand planning function and metrics, collaborating with Sales and Marketing to produce statistically grounded forecasts across HVAC, plumbing, and appliance categories. Define and monitor SIOP metrics including forecast accuracy, fill rate, days on hand, inventory value, and make recommendations from the data.
• Lead supply planning and partner with Procurement to align commitments with demand signals, managing replenishment, supplier capacity, and lead time variability to maintain targeted service levels and inventory turns.
• Define and monitor key SIOP metrics including forecast accuracy, fill rate, days on hand, inventory value, and supplier on‑time delivery; present findings and action plans to executive leadership.
• Partner with Procurement team to align supply commitments with demand signals, managing lead time variability and supply constraints proactively.
• Develop and maintain inventory segmentation strategies that balance service‑level requirements with working capital targets across SKUs and product categories.
• Lead scenario planning and what‑if analysis to model the impact of demand volatility, supply disruptions, new product introductions, and market changes on inventory and service performance.
• Drive process standardization and continuous improvement across the SIOP lifecycle; identify root causes of planning breakdowns to implement corrective actions and partner with IT to advance ERP and planning tool capabilities.
• Build, coach, and develop a team of demand and supply planners, establishing clear performance expectations and fostering a culture of accountability and continuous improvement.
• Collaborate with Finance to align the SIOP plan with budgetary targets, ensuring that inventory investments reflect strategic priorities and financial guardrails.
• Stay current on industry trends, best practices, and emerging tools in supply chain and SIOP, bringing relevant innovations to mSupply's planning practice.

• Bachelor's degree in Supply Chain Management, Business Administration, Operations Management, or a related field required; MBA or advanced degree preferred.
• 7+ years of progressive supply chain planning experience, with at least 3 years in a senior SIOP, S&OP, or integrated business planning leadership role.
• Experience in OEM distribution, wholesale distribution, or a related…