John O'Sullivan

Quality Lead (projects)

John O'Sullivan is an accomplished professional with extensive experience in quality management within the pharmaceutical and biopharmaceutical industries. Currently serving as Quality Lead for Integration Projects at Viatris since January 2022, John oversees global third-party manufacturing and branding changes following the merger of Mylan and Upjohn. Previously, John held key roles at Greenfield Global as Quality Manager, where responsibilities included managing quality expectations in a GMP environment, and at Amneal Pharmaceuticals as Research & Development Manager. John's background includes leading quality control and compliance teams at GE Healthcare and consulting for various sports organizations. With a solid educational foundation in Analytical Chemistry from University College Cork, John possesses a proven track record in quality assurance, project management, and operational efficiency throughout a diverse career spanning over two decades.

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