Rena D. Callahan, MD, is Associate Clinical Professor of Health Sciences in the Division of Hematology-Oncology in the Department of Medicine at the University of Los Angeles, California (UCLA) David Geffen School of Medicine. She received her undergraduate degree from Yale University, and her medical degree from the University of Pennsylvania in Philadelphia, before completing an internship and residency in Internal Medicine and a fellowship in Hematology-Oncology at UCLA. Dr Callahan is board-certified in Internal Medicine, Medical Oncology, and Hematology. Dr Callahan is a member of the American Society of Clinical Oncology, the American Society of Hematology, and the American College of Physicians. She has served as principal or sub-investigator for numerous clinical research trials exploring topics related to breast cancer. Dr Callahan is a frequent lecturer on a variety of breast cancer topics and is focused on providing patient centered clinical care in the context of a large clinical practice.

Assoc. Clinical Professor Rena Callahan has received financial support/sponsorship for research support, consultation, or speaker fees from the following companies:

Support provided as a speaker from: Gilead, Lilly, Stemline, Seagen