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Discovering the causes of cancer and the means of prevention

Marie-Josèphe Horner, Ph.D.

Staff Scientist
Division of Cancer Epidemiology & Genetics

NCI Shady Grove | Room 6E-236


Dr. Marie-Josèphe Horner received a B.Sc. in biology from McGill University, Quebec, Canada, and M.S.P.H. and Ph.D. degrees in epidemiology from the Universities of South Carolina and North Carolina at Chapel Hill, respectively. Her doctoral research focused on characterizing the cancer burden among people living with HIV and receiving antiretroviral therapy in sub-Saharan Africa. This research was conducted through the Malawi HIV-Cancer Match Study, which she implemented in-country as an NIH Fogarty Scholar.

Dr. Horner first joined the NCI in 2006 as an epidemiologist with the Surveillance, Epidemiology, and End Results (SEER) Program, for which she received an NIH Merit Award in 2009. In 2011, she joined the Laboratory of Translational Genomics, where she supported genome-wide association studies. After earning her Ph.D., she returned to the NCI in 2018 as a staff scientist in the Infections and Immunoepidemiology Branch. In 2019, she was elected Women Scientist Advisor for a term of three years.

Research Interests

Dr. Horner supports research activities within the NCI’s HIV/AIDS Cancer Match Study. Her research focuses on descriptive epidemiology of the evolving cancer burden among domestic HIV populations. Dr. Horner's interests include integrating new data sources for public health surveillance, study design, and analytic solutions for missing data.