Teresa Maria Przytycka (born 1958)[1] is a Polish-American computational biologist who works as a senior investigator in the Computational Biology Branch of the National Center for Biotechnology Information (NCBI), where she heads the Algorithmic Methods in Computational and Systems Biology (AlgoCSB) section.[2] She started her research career in parallel algorithms; at the NCBI, her research takes a computational approach to problems in systems biology involving cancer, gene regulation, and the analysis of massive data.[3]