Board-certified in therapeutic radiology by the American Board of Radiology, Crownover serves as professor in the UAMS College of Medicine Department of Radiation Oncology.
Known for his innovative development of a tracking system to deliver radiosurgery to moving targets within the body, Crownover most recently served as professor and Radiation Oncology Residency Program director at the UT Health San Antonio MD Anderson Mays Cancer Center.
Prior to joining Mays Cancer Center, he was the first director of the Regional Cancer Center at the Reading Hospital and Medical Center in Reading, Pennsylvania, and director of the CyberKnife Program and chief of Breast and Musculoskeletal Tumor Services in Radiation Oncology at the Cleveland Clinic.
After earning his medical degree and doctorate in physics from Duke University, Crownover remained to complete his internship at the Duke University Medical Center. He then completed his residency at the University of California San Francisco, where he served as chief resident.
He is a member of the American Society for Therapeutic Radiology and Oncology, American Society of Breast Disease, American Society of Clinical Oncology, Connective Tissue Oncology Society, and Society of Neuro-Oncology, among others.