Arlene Sharpe, MD, PhD
Arlene Sharpe is George Fabyan Professor of Comparative Pathology; interim co-chair and head of the Division of Immunology, Department of Microbiology and lmmunobiology at Harvard Medical School (HMS). Arlene is a leader in the field of T cell costimulatory pathways and played an integral role in the characterization of PD-1 and other key checkpoint pathways. Her laboratory currently focuses on the roles of T cell co-stimulatory pathways in regulating pathogenic and protective immune responses needed for inducing and maintaining T cell tolerance and effective antimicrobial and antitumor immunity. She received her medical degree from Harvard Medical School and her doctorate degree from Harvard University.