Dr. Jordan is a professor of breast medical oncology and molecular and cellular oncology at The University of Texas MD Anderson Cancer Center. He was the first to discover the breast cancer prevention properties of the drug tamoxifen and the scientific principles for adjuvant therapy with antihormones. Prior to joining MD Anderson, Dr. Jordan served as scientific director and vice chairman of oncology, as well as the Vincent T. Lombardi chair of translational cancer research at the Lombardi Comprehensive Cancer Center of Georgetown University. In his distinguished career, Dr. Jordan has also served as vice president and research director for medical science and Alfred G. Knudson chair of cancer research at the Fox Chase Cancer Center and director of the Lynn Sage Breast Cancer Research Program for the Robert H. Lurie Comprehensive Cancer Center. Dr. Jordan is a member of the National Academy of Sciences.