My name is Scott Gabriel Knowles, I am a historian of disasters and since March 16, 2020 the host of COVIDCalls, a daily discussion of the pandemic with a diverse collection of disaster experts. Gregg Gonsalves is an expert in policy modeling on infectious disease and substance use, as well as the intersection of public policy and health equity. For more than 30 years, he worked on HIV/AIDS and other global health issues with several organizations, including the AIDS Coalition to Unleash Power, the Treatment Action Group, Gay Men’s Health Crisis, and the AIDS and Rights Alliance for Southern Africa. He is a 2018 MacArthur Fellow.