Director - Global Diamond And Materials Planning

Summary

The Director, Global Diamond and Materials Planning leads end-to-end planning for diamonds, gemstones, and precious metals to balance demand and supply, optimize inventory and working capital, and protect service levels. This role owns planning governance and S&OP cadence, drives process and tool improvements, and develops the planning team while partnering across manufacturing, procurement, product development, and finance.

Responsibilities

• Own the end-to-end materials plan for stones and metals, including supply strategy, acquisition timing, production requirements, and inventory targets.
• Design and maintain planning governance, decision rights, calendars, and a monthly S&OP cadence to align demand, supply, and procurement/production plans.
• Partner with Industrial and Inventory Planning to translate demand into acquisition requirements, run exception management, and adjust plans for risks and constraints.
• Provide reporting and analysis on demand vs. supply, MOS, excess/obsolescence, purchases, WIP, and key constraints to inform decisions.
• Drive continuous improvement of planning processes, data quality, and tools (ERP/MRP, analytics, automation) to improve forecast accuracy and inventory turns.
• Lead, coach, and develop the planning team, including hiring, performance management, and succession planning.

Requirements

• Bachelor's degree in Supply Chain, Operations, Business, Analytics, or related field; MBA or advanced degree preferred.
• 10+ years of progressive experience in supply planning, inventory planning, demand/supply balancing, or category planning, including people leadership.
• Experience in complex, constrained supply environments with long lead times or multi-tier suppliers.
• Strong analytical and financial acumen with fluency in planning and analytics tools (ERP/MRP, APS, BI) and advanced Excel.
• Proven stakeholder management, communication skills, and ability to influence cross-functionally.