Sarah Littlefield

Director, Site Operations

Sarah Littlefield is an experienced professional in the field of clinical research and project management, currently serving as Director of Site Operations at Aclaris Therapeutics, Inc. since September 2025. Prior to this role, Sarah held various positions at Worldwide Clinical Trials, progressing from Associate Director to Director of Project Management in the Neuroscience division from August 2021 to August 2025. Sarah's earlier career includes significant roles at PPD as Senior Project Manager and at Covance as Project Manager, specializing in Neuroscience, Ophthalmology, and Women's Health. Experience also includes roles at Eastern Virginia Medical School as Clinical Project Manager and at Population Council as Clinical Research Associate and Data Manager. Sarah holds a Master of Public Health degree in Social and Behavioral Science, Chronic Disease Epidemiology from Yale University and a Bachelor of Arts degree in Religion/Religious Studies from Emory University.

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