15-20+ years in direct materials, category management, strategic sourcing, or supply chain leadership, including 10+ years leading multiple layers of an organization within technology hardware, energy storage, renewable energy, automotive or EV, or complex industrial manufacturing. Technical depth in power electronics, high voltage equipment, enclosures and balance of plant, contract manufacturing, and complex electromechanical supply chains, sufficient to engage personally in specification, should cost teardown, and bill of materials level discussion rather than reviewing summaries.