Dr. Hayes is the Stuart B. Padnos Professor of Breast Cancer Research, Professor of Internal Medicine, UM Rogel Cancer Center. He is an authority in the field of breast cancer translational and clinical research and clinical care. His research focus is on the identification and validation of tumor biomarker tests. He received undergraduate, graduate (MS) and medical (MD) degrees from Indiana University, and completed a residency in Internal Medicine at the University of Texas Southwestern Medical School and a fellowship in medical oncology at Harvard’s Dana-Farber Cancer Institute, where he served on the faculty as Medical Director of the Breast Evaluation Center through 1996. He then moved to Georgetown University as Director of the Breast Cancer Program of the Lombardi Cancer Center. In 2001 he relocated to the University of Michigan. He has published over 200 peer-reviewed publications, 24 clinical guidelines, and over 175 chapters, reviews, editorials and other educationally-related materials. He has edited or co-edited five text books and serves as the Breast Cancer Section Editor for the on-line medical textbook, UpToDate™. He has directed translational investigations of several tumor marker tests for breast cancer, including tissue angiogenesis, estrogen receptor, and HER2 status, germline pharmacogenomics, and serum levels of CA15-3 (MUC-1 protein) and circulating tumor cells and tumor DNA. He is currently PI of a Susan G. Komen for the Cure* award. He chairs, or has chaired, several national and international scientific committees, including the Breast Cancer Translational Medicine subcommittee of SWOG, in which he mentored young investigators from other centers. He was the inaugural recipient of the American Society of Clinical Oncology (ASCO) Gianni Bonadonna Breast Cancer Award (2007), given for achievement in translational research and mentoring, and has held many leadership roles in ASCO, including a three-year Presidential term of office (2015-2018).