Dr. Kleer is the Harold A. Oberman Collegiate Professor of Pathology. She received her MD from the University of Buenos Aires School of Medicine in Argentina in 1993. After residency training in Anatomic and Clinical pathology at the Mayo Clinic and at the University of Michigan, she served as a Surgical and Breast Pathology fellow under the mentorship of Dr. Harold Oberman. In 1999 she joined the faculty as an Assistant Professor, was promoted to Associate Professor with tenure in 2005, and to full Professor with tenure in 2011. She is the co-Director of the Breast Pathology Program at the Department of Pathology and has developed the Breast Pathology Subspecialty Fellowship in 2002, one of the first in the US. Dr. Kleer is the Principal Investigator of a federally funded research laboratory in the Rogel Cancer Center working to understand mechanisms of breast cancer invasion and metastasis, and to develop useful breast tissue-based biomarkers. Her work bridges basic science and clinical applications. Dr. Kleer is a nationally and internationally recognized as a leader in both the basic and clinical study of breast cancer, and has authored over 150 peer-reviewed publications. Her research has earned her two decades of uninterrupted grant support from the National Cancer Institute (NCI) and the Department of Defense. She has served on multiple NIH/NCI study sections.