Dr. Massimo Cristofanilli, Professor of Medicine, Associate Director of Translational Research and Precision Medicine, Robert H Lurie Comprehensive Cancer Center at Northwestern University is a physician scientist with a major research interest in the detection, characterization, and therapeutic targeting of microscopic disease in breast cancer. His work on CellSearch™, a novel immunomagnetic-based technology, and subsequent trials successfully demonstrated the clinical value of circulating tumor cell detection in the peripheral blood of metastatic breast cancer (MBC) patients. He is also involved in the development of new endocrine therapies for MBC.