Leeann Siegel is a doctoral candidate at the Annenberg School for Communication. Her research investigates how media impacts people’s behaviors, perceptions and policy opinions related to tobacco use and substance use issues. Most recently, her research has focused on how media affects health-related normative perceptions. She has also been involved in research studying the impacts of misinformation related to COVID-19 and MMR vaccination, as well as research testing the effectiveness of innovative health communication interventions in increasing knowledge and improving health outcomes. Prior to beginning her doctoral studies, she earned her Master's of Public Health from the Harvard T.H. Chan School of Public Health. Siegel also holds a B.A. in Spanish with an interdisciplinary minor in Inequality Studies from Cornell University.