Sr. Planner, Customer Forecasting

Position Summary

The Sr. Planner, Customer Forecasting will report directly to the Director, Supply Chain Forecasting and will be the primary owner of all external forecasts and customer-facing supply chain data for Markwins’ retail partners. This role ensures customer forecasts, replenishment signals, and inventory positions are translated into clear, accurate, and actionable inputs for the Demand Planning team. This is a highly analytical, customer-facing role that serves as the voice of the customer internally.

Essential Tasks, Duties & Responsibilities

• Own Customer Forecasting: Collect, validate, and manage customer team forecasts, replenishment data, and inventory positions across Walmart, Target, Walgreens, Amazon, and other key accounts

• Collaborate with Demand Planning: Provide accurate, timely customer inputs (POS trends, promotional lifts, event calendars) to feed the internal demand plan and S&OP process

• Retailer Interface: Lead regular meetings with customer replenishment teams to review forecasts, in-stock performance, promotional readiness, and service risks

• Prepack & Promo Planning: Partner with Demand Planning and Commercial teams to align customer specific prepack and promotional forecasts with production capacity and allocation strategy

• Inventory & Service Monitoring: Track key metrics (in-stocks, OTIF, customer fill rates) and escalate risks to Demand Planning and Supply Planning with recommended actions

• Scenario Planning: Build and present what if analyses for promotions, seasonality, or new item launches to help stakeholders make fast, informed decisions

• Reporting & Analytics: Maintain clear dashboards and scorecards on customer forecast accuracy, bias, and event performance; share insights with Commercial leadership and cross-functional teams

• Continuous Improvement: Drive process standardization for customer data integration, forecast collaboration, and KPI tracking; identify opportunities to reduce latency and increase forecast precision

• Cross-Functional Alignment: Act as the key liaison between Sales, Customer Service, Demand Planning, and Operations to ensure timely communication of changes impacting supply

• Special Projects: Support initiatives related to allocation strategy, CPFR (Collaborative Planning, Forecasting, and Replenishment), and retailer specific supply chain improvements