Ottar Bjornstad is a Distinguished Professor of Entomology and Biology at Pennsylvania State University, holding the Huck Chair of Epidemiology. He is affiliated with multiple research centers, including the Center for Infectious Disease Dynamics, One Health Microbiome Center, and Center for Mathematical Biology. His research focuses on population ecology, epidemiological modeling, and the mathematical foundations of infectious disease dynamics. He investigates how climate change affects ecological systems, transmission patterns of zoonotic diseases, and the interplay between host demographics and disease spread. Recent publications highlight his work on dengue virus transmission, vaccine distribution logistics, and age-structured epidemic models. His studies span disciplines including ecology, virology, and computational epidemiology. Elected to Norwegian Academy of Sciences and Letters (2021) He collaborates with institutions worldwide, addressing global health challenges like Lassa virus spread and measles persistence mechanisms. His methodological contributions include statistical frameworks for epidemic analysis and spatial synchrony metrics.









