Catherine Diefenbach, M.D. is an Associate Professor in the Division of Hematology and Medical Oncology in the NYU Perlmutter Cancer Center (PCC) at NYU Langone Health, the Clinical Director of Lymphoma, and the Translational Director of Hematology, and the Co-Chair of the Lymphoma Committee of the ACCRU network. Her research focuses on the relationship between systemic immunity, and tumor microenvironment and spans from investigator initiated clinical trials correlative science, to non-therapeutic investigations in collaboration with basic scientists.