Mimecast Limited announced Karen Anderson as its new Chief Human Resources Officer. In this newly created position, Karen will lead the company's people and culture strategy. Karen joins Mimecast with more than 20 years of experience in various human resources roles. As the new CHRO, she will support the company’s global expansion, enhance career development opportunities and help ensure that Mimecast remains a ‘Top Place to Work’ for all employees. In her last role, Karen was the 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. Previously, she was Vice President of Human Resources for 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.