Sean O’Brien

Chief Operating Officer (COO)

With over 20 years of experience in the Pharmaceutical Industry, Sean O’Brien is the Chief Operating Officer (COO) at Abzena. Sean has extensive experience in leading organizations and driving business and network improvements to transform business units. He has overseen site management, new product introductions, regulatory approvals, enterprise resource planning system implementations, capital projects, and the creation of robust safety and compliance cultures.

Sean previously held roles with progressively increasing scope and responsibility at Amgen and Alexion Pharmaceuticals as Director of Manufacturing before progressing to Executive Director and Site Lead, Dublin, Ireland. He holds a B.A from Hobart and William Smith Colleges, Geneva, NY, and an MBA from San Francisco State University, CA, USA. Prior to joining the pharmaceutical industry, Sean served as logistics officer in the United States Marine Corps.

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