Coordinate cross-functional technical investigation activities with Production Units (PUs), R&D, Commercial, Field Service, and other applicable functions to assess complaints, support root-cause determination and issue resolution, maintain visibility and accountability for complaint status, task ownership, dependencies, risks, and delivery timelines, and identify and escalate barriers requiring additional resources, technical or field support, or management action. Serve as the primary Quality Assurance contact for customer communications and/or regulatory inquiries, coordinating timely, accurate, and compliant responses; perform documented risk assessments and analyses to evaluate product quality, patient or user safety, regulatory impact, and the need for escalation or additional corrective action.