Dr. Margaret (“Peggy”) Goodell is Professor and Chair of the Department of Molecular and Cellular Biology, and Director of the Stem Cells and Regenerative Medicine Center, at Baylor College of Medicine, in Houston, Texas. Goodell’s research is focused on the mechanisms that regulate hematopoietic stem cells, and their dysregulation in malignancies, particularly DNA Methyltransferase 3A (DNMT3A). Goodell is a former president of the International Society for Experimental Hematology (2013). She is a recipient of the Damashek Prize from the American Society of Hematology (2012), the Edith and Peter O’Donnell Award in Medicine from TAMEST (2011) and the Tobias Award from the International Society for Stem Cell Research (2020), and she was elected to the National Academy of Medicine in 2019. Goodell is Chair of the Scientific Advisory Board of the Keystone Symposia and is a member of their Board of Directors. She has served on the editorial board of PLoS Biology, and as an Associated Editor of Blood, and currently serves on the editorial boards of Cell Stem Cell and Cancer Cell. Goodell directs a laboratory of about 15 trainees.