Karen Anderson

Karen Anderson

Chief People Officer

Karen Anderson joined Centessa in November 2022 as Chief People Officer. Karen has over 25 years of experience in human resources roles spanning the biotechnology/pharmaceutical, technology, and healthcare industries.


Prior to joining Centessa, Karen was Chief Human Resources Officer at Mimecast Limited. Previously, she was Senior Vice President and Chief Human Resources Officer at Alnylam Pharmaceuticals where she supported the strategic direction and business growth from a few hundred employees to more than 1,000 employees in 16 global legal entities. Karen was also Vice President of Human Resources at Pfizer, supporting the Commercial business unit in both developed and emerging markets. Earlier in her career she was responsible for compensation, benefits, and systems for Bayer Canada before becoming the Global Human Resources Director for Baxter where she had a strong focus on mergers and acquisitions.


Karen holds a Masters in Organization Development and Psychology.

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