This individual will serve as the company’s principal representative during NSF, FDA, customer, and third-party audits and will have independent authority to place materials and products on hold, approve or reject materials and finished batches, require corrective action, and escalate quality or regulatory risks directly to senior management. Oversee internal QC laboratory activities and external laboratory relationships, including sampling plans, scientifically valid methods, testing, data review, calibration, validation, stability, and reserve-sample programs.