Dr. Dan Barouch received his Ph.D. in immunology from Oxford University and his M.D. from Harvard Medical School. He is currently the William Bosworth Castle Professor of Medicine and Professor of Immunology at Harvard Medical School, Director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center, a member of the Ragon Institute of MGH, MIT, and Harvard, and part of the Bill & Melinda Gates Foundation Collaboration for AIDS Vaccine Discovery. His laboratory focuses on studying the immunology and virology of HIV-1 infection and developing novel vaccine and eradication strategies. His group has also applied their vaccine expertise to preclinical and clinical studies of other infectious diseases of global significance, including Zika virus, tuberculosis, and most recently SARS-CoV-2. His recent work contributed to the development of the single-shot Johnson & Johnson COVID-19 vaccine, which is now being rolled out in the United States and throughout the world. He was elected to the National Academy of Medicine in 2020.