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Premier Research Names Siân Ratcliffe Smethurst Chief Operating Officer

Siân Ratcliffe Smethurst, PhD, will oversee clinical research and development for Premier.

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By: Patrick Lavery

Content Marketing Editor

Premier Chief Operating Officer

Premier Research, a Morrisville, NC-based clinical research and consulting services provider, has announced the appointment of Siân Ratcliffe Smethurst, PhD, as Chief Operating Officer, effective Jan. 6, 2026. Prior Experience and New Role Ratcliffe Smethurst was most recently Senior Vice President and Head of Quantitative Sciences & Development Operations at Biogen. She also previously worked at Pfizer. Her therapeutic areas of expertise include oncology, neurology, psychiatry, pain, ...

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