John Manneke is a TechOps Procurement Professional and Freelance Consultant with extensive experience in category and key account management, supplier relationship management, and global sourcing. They served as a Senior Site Manager and later as the Global Category Manager for Drug Substance at Roche. Prior to this, John held various roles at Lonza, including QA Manager and Program Manager for Antibody-Drug Conjugates. Their educational background includes degrees in Chemistry and Biochemistry from Universiteit Utrecht and a Master's in Healthcare Management from Université de Lausanne.
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