Professor, University of Pennsylvania Perelman School of Medicine Dr. Drew Weissman Dr. Drew Weissman is a professor of Medicine at the University of Pennsylvania’s Perelman School of Medicine. Dr. Weissman co-discovered the ability of modified nucleosides in RNA to suppress activation of innate immune sensors and increase the translation of mRNA containing certain modified nucleosides. Dr. Weissman’s laboratory focuses on the study of RNA and innate immune system biology and the application of these findings to vaccine research, protein therapeutics, and gene therapy. He is also a member of The American Association of Immunologists, the American Federation for Clinical Research, and the Association of American Physicians. He received his graduate degrees from Boston University School of Medicine.