Anthony S. Fauci is an immunologist who has made substantial contributions to research in the areas of AIDS and other immunodeficiencies, both as a scientist and as the head of the National Institute of Allergy and Infectious Diseases (NIAID).

Anthony Stephen Fauci was born on December 24, 1940, in Brooklyn, New York, to Stephen A. Fauci, a pharmacist, and Eugenia A. Fauci, a homemaker. He graduated from the all-scholarship, Jesuit-run Regis High School in New York City. He went on to attended the College of the Holy Cross and later received his M.D. from Cornell University Medical College in 1966. He then completed an internship and residency at The New York Hospital-Cornell Medical Center.

In 1968, Fauci came to the National Institutes of Health (NIH) as a clinical associate in the Laboratory of Clinical Investigation (LCI) in NIAID. In 1974, he became Head of the Clinical Physiology Section, LCI, and in 1980 was appointed Chief of the Laboratory of Immunoregulation, a position he still holds. In 1984, Fauci became Director of NIAID, where he oversees an extensive research portfolio of basic and applied research to prevent, diagnose, and treat infectious and immune-mediated illnesses, including HIV/AIDS and other sexually transmitted diseases, illness from potential agents of bioterrorism, tuberculosis, malaria, autoimmune disorders, asthma and allergies.