Jaroslaw P. Maciejewski, MD, PhD, FACP, is Staff Physician in the Cleveland Clinic Department of Hematologic and Oncology, Chairman of the Department of Translational Hematology & Oncology Research at Taussig Cancer Center and Professor at Cleveland Clinic Lerner College of Medicine of Case Western Reserve University. Recognized for his scholarly achievement in biomedical research, Dr. Maciejewski is an elected member of The American Society for Clinical Investigation (ASCI). His areas of expertise include bone marrow failure syndromes and myeloid malignancies. As the recipient of numerous federal and foundation grant awards, Dr. Maciejewski has a distinguished track-record in research including continuity in federal research grant funding from the National Institutes of Health since 2003. His extensive list of publications of over 450 peer-reviewed journal articles and book chapters demonstrates his success as an accomplished and respected translational physician-scientist.