William Petersen Jr., MD, is a fellowship-trained pediatric hematologist-oncologist. He is the director of the Pediatric Hematology-Oncology Fellowship program, the Novel Therapeutics program and the Survivorship program at the University of Virginia. Dr. Petersen is an assistant professor in the Division of Pediatric Hematology/Oncology and is board-certified in pediatrics.

A Virginia Beach native, Dr. Petersen completed his undergraduate studies at UVA and earned his medical degree from Emory University School of Medicine in Atlanta. He completed a pediatrics residency at the University of Colorado in Denver, then returned to Atlanta to complete a pediatric hematology-oncology fellowship at Emory University/Children’s Healthcare of Atlanta. After completing his fellowship, he received a certificate in Clinical and Translational Research from Emory University. He joined the UVA faculty in 2013.

Dr. Petersen is married with two children. He and his family enjoy being outdoors together — hiking, biking and exploring downtown Charlottesville.