Arthur W. Nienhuis

Arthur Wesley Nienhuis (August 9, 1941 – February 3, 2021) was an American physician who served as fourth director and CEO of St. Jude Children's Research Hospital from 1993 to 2004. Prior to joining St. Jude, Nienhuis was chief of the Clinical Hematology Branch and deputy clinical director at the National Institutes of Health's Heart, Lung and Blood Institute. His research interests and expertise in bone marrow transplant, gene therapy and genetic testing paved the way for many advances at St. Jude, including breakthroughs in sickle cell disease and other hematological disorders. Nienhuis also made significant achievements in the fields of cell therapy, HIV/AIDS research and inherited immunodeficiencies. Under his leadership, the hospital completed a $1 billion expansion, which included the addition of a Children's GMP, LLC facility. Additionally, Nienhuis oversaw the creation of the Departments of Developmental Neurobiology and Structural Biology.

Nienhuis received numerous awards, including being named by former president Bill Clinton to the National Cancer Advisory Board in 1998. That same year, he was awarded the Stratton Medal by the American Society of Hematology, one of the society's highest honors for an outstanding body of work in hematology. Additionally, Nienhuis was inducted into the Institute of Medicine of the National Academy of Sciences in 2002.