Lisa Purcell has been an Entrepreneur-In-Residence at Third Rock Ventures since May 2024. Her career has been dedicated to the development of therapies within the immunology and infectious disease areas. During the COVID-19 pandemic, she co-chaired the ACTIV partnership established by the NIH, bringing together government agencies, nonprofit organizations and biopharmaceutical companies to monitor the virus and evaluate new treatments and vaccines. Previous to Third Rock, she was the Senior Vice President and Head of Research and Translational Medicine at Vir Biotechnology where she led preclinical, nonclinical and development teams for hepatitis B and hepatitis D, COVID-19, influenza, HIV, gram-positive bacteria and functional genomics approaches. She joined Regeneron Pharmaceuticals after completing her postdoctoral training at Columbia University Vagelos College of Physicians and Surgeons where she led early- and late-stage development programs, including several trials for atopic dermatitis, asthma, eosinophilic esophagitis, therapeutic/prevention studies for COVID-19 and research programs in immunology and infectious diseases. She received her Ph.D. from McGill University. She currently serves on several Scientific Advisory Boards.