Dr. Dita Gratzinger is a hematopathologist who is dedicated to excellent patient care, to educating the hematopathologists of tomorrow, and to improving both by harnessing strengths across institutional and disciplinary lines. Dr. Gratzinger studies the architecture of supporting cells in the microenvironment as well as diagnosis of lymphoma on small volume specimens, and has a special interest in the role of patient-specific factors in manifestation of hematolymphoid disease, including immunodeficiency and dysregulation-related lymphoid proliferations. She is the founding chair of a multi-institutional consortium, the Cyto-Heme Interinstitutional Collaborative, which brings together hematopathologists, cytopathologists, and oncologists to optimize the benefits of small volume biopsy to lymphoma patients. She also heads the Stanford hematopathology service. Dr. Gratzinger received her B.A. from the University of California at Berkeley, her M.D. and PhD from Yale University, and completed her anatomic pathology residency, surgical pathology fellowship, and hematopathology fellowship at Stanford University.