Professor Dr. Mary Ann Chiasson

Biography

Mary Ann Chiasson is a Professor of Epidemiology at Columbia University's Mailman School of Public Health. With an extensive background in public health, her research primarily focuses on HIV epidemiology, emphasizing the risk factors associated with sexual transmission and biomedical behavioral prevention. She has notable experience with maternal and reproductive health issues and the growing concern of childhood obesity. Dr. Chiasson's current research involves exploring the relationship between internet usage and high-risk sexual behaviors among men who have sex with men, through the CHAIN study, a prospective cohort study based in New York City. Over her long career, she co-directed the HIV/AIDS Epidemiology course at Mailman from 1989 to 2015 and held significant roles in the New York City Department of Health. As a leader in various health initiatives, she has contributed extensively to the improvement of public health policies and research evaluations. Dr. Chiasson has received multiple accolades for her work and remains an influential figure in public and community health, focusing on the needs of marginalized populations.

Research Interests