DAVID SCADDEN is the Gerald and Darlene Jordan Professor of Medicine at Harvard University. He is a hematologist/oncologist and Director of the Center for Regenerative Medicine at Massachusetts Gen...view moreDAVID SCADDEN is the Gerald and Darlene Jordan Professor of Medicine at Harvard University. He is a hematologist/oncologist and Director of the Center for Regenerative Medicine at Massachusetts General Hospital. He co-founded the Harvard Stem Cell Institute and is Chair of the Harvard University Department of Stem Cell and Regenerative Biology.view less