Catherine Troisi, PhD is an infectious disease epidemiologist and Professor at UTHealth Houston School of Public Health. Dr. Troisi plays a major leadership role in the Texas Epidemic Public Health Institute. She previously practiced public health as Assistant Director at the Houston Health Department, where she served as Incident Commander for Katrina and H1N1 pandemic responses. She holds a PhD in Epidemiology from U. Michigan and completed National Public Health Leadership Training. Dr. Troisi was elected to the APHA Executive Board, is currently serving as Chair of the Evidentiary Review Committee as well as Chair Elect of the International Network of Epidemiology in Policy and many local and state public health advisory boards. She is co-editor of the Control of Communicable Diseases Manual and recipient of the 2018 ASPPH Academic Public Health Practice Excellence Award. Dr. Troisi has given over 800 media interviews since 2020.