Stephen Kissler is an infectious disease epidemiologist at the Harvard T.H. Chan School of Public Health. He earned his PhD in Applied Mathematics at the University of Cambridge as a Gates Scholar, where he studied the transmission of the 2009 H1N1 influenza pandemic. At Harvard, Stephen has focused on identifying drivers of antibiotic resistance and, more recently, on SARS-CoV-2 response. In addition to his research, he has consulted with Partners in Health and provided comments for numerous media outlets during the COVID-19 pandemic.