Carlos M. De Castro is a professor in Medicine at Duke University Medical Center, Durham, NC. He received his MD degree at the University of Texas Southwestern Medical School in Dallas, TX in 1985. He completed his residency training in internal medicine at Parkland Memorial Hospital, Dallas, TX, and his fellowship in hematology and oncology at Duke University Medical Center. He joined the faculty of Duke in 1991. His clinical research is focused on the care of patients with hematological malignancies including acute and chronic leukemias, lymphomas, multiple myeloma. He is especially interested in bone marrow failure syndromes including myelodysplastic syndromes, and paroxysmal nocturnal hemoglobiniuria. In addition to having served as the medical director for the apheresis unit, the outpatient chemotherapy treatment center, the 9100 oncology ward, he is currently the Hematology-Oncology Fellowship Program Director.