Faculty JBL Faculty Zachary Nagel, Ph.D. Co-Director of the John B. Little Center and Associate Professor of Genomics and Cancer Biology -Department of Environmental Health Nagel Laboratory Kristopher Sarosiek, Ph.D. Co-Director of the John B. Little Center and Associate Professor of Radiation Biology and Cell Death -Department of Environmental Health Zhi-Min Yuan, M.D., Ph.D. Former Director of The John B. Little Center and Morningside Professor of Radiobiology -Department of Environmental Health and Department of Molecular Metabolism