Maria Grazia Roncarolo (born 17 December 1954) is an Italian pediatrician who is currently George D. Smith Professor in Stem Cell and Regenerative Medicine and Professor of Medicine (Blood and Marrow Transplantation and Cellular Therapy) at Stanford University.
[1] She is a past President of the Federation of Clinical Immunology Societies,[3] and is a member of the Austrian Academy of Sciences.
Her team was the first to describe Tr1 cells[12] while at DNAX Research Institute of Molecular and Cellular Biology, which was later acquired by Schering-Plough and now a part of Merck.
[14] Roncarolo has made major contributions in the field of cell and gene therapy.
She performed fetal stem cell transplants given before birth[15] to treat inherited diseases of the immune system such as Wiskott-Aldrich Syndrome[16] She led the first stem cell-based gene therapy trial for patients with adenosine deaminase-severe combined immunodeficiency.