Dr. John Crispino is Chief of the Division of Experimental Hematology at St. Jude Children’s Research Hospital. He received his PhD from MIT for research on the mechanisms of RNA splicing performed in the laboratory of Dr. Phillip Sharp and then performed post-doctoral hematology research at Harvard Medical School with Dr. Stuart Orkin. Dr. Crispino and members of his laboratory have made many important contributions to improve our understanding of the mechanisms of normal and aberrant blood development. Currently, his research is focused on the role of GATA1 in blood cell development, mechanisms of leukemogenesis in children with Down syndrome and the characterization of genetic changes that drive malignant progression of MDS and MPN. He has authored over 160 manuscripts, with recent papers in Cancer Discovery, Journal of Clinical Investigation, and Blood. Dr. Crispino is an Associate Editor of Blood, on the editorial boards of Leukemia and Blood Cancer Journal and chair of an NIH study section.