Mark S. Parker, M.D is a Professor of Radiology and Internal Medicine, Thoracic Imaging Director, and Director of the Lung Cancer Screening Program at VCU Health, Richmond, Virginia. He received his medical school and diagnostic radiology training at Eastern Virginia Medical School and thoracic disease fellowship training at Vanderbilt University Medical Center. Dr. Parker became Thoracic Imaging Director at VCU Health in 2009. In 2015, he was inducted as a Fellow in the American College of Radiology (ACR). He served as an American Board of Radiology (ABR) examiner and as Technical Expert and Key Informant for the Agency for Healthcare Research and Quality (AHRQ); Evidence-Based Practice Center Systematic Review Protocol Project for the recent Imaging Guidelines on the Pretreatment Staging of Small Cell Lung Cancer. Dr. Parker has written two thoracic imaging core textbooks and is lead author on a recently released Lung Cancer Screening textbook. He was instrumental in developing one of the first lung screening programs in Virginia, a center recognized by the ACR and Lung Cancer Alliance as a screening center of excellence.