Faculty
Course Director

Barbara O’Brien, MD
Associate Professor of Neuro-Oncology
Division of Cancer Medicine
The University of Texas MD Anderson Cancer Center
Houston, Texas
Dr. Barbara O’Brien is an associate professor of Neuro-Oncology at MD Anderson Cancer Center specializing in primary brain tumors, leptomeningeal metastasis, and brain metastasis. Following a clinical fellowship in neuro-oncology at MD Anderson, she joined the faculty in 2014. Dr. O’Brien’s clinical research interests focus on finding new treatment strategies and improving the quality of life for patients with brain tumors and LMD. She has served as principal investigator on numerous clinical trials for patients with brain tumors and leptomeningeal metastasis and is actively involved in MD Anderson’s brain metastasis program. She co-chairs the CNS Metastasis Track for the Society of Neuro-Oncology and also serves the Faculty Wellness Leader for the Division of Cancer Medicine at MD Anderson.
Course Faculty

Rashmi K. Murthy, MD, MBE
Associate Professor
Breast Medical Oncology
UT MD Anderson Cancer Center
Houston, Texas
Rashmi K. Murthy, MD, MBE, is an Associate Professor in the Department of Breast Medical Oncology at The University of Texas MD Anderson Cancer Center. A leading expert, Dr. Murthy leads innovative clinical trials focused on targeted therapies, brain metastases, and novel treatment combinations. Her clinical and research interests focus on HER2-positive breast cancer and the management of central nervous system metastases. Dr. Murthy’s research has helped define new standards of care and she is deeply committed to translating scientific discoveries into meaningful improvements in patient outcomes.

Alexandra S. Zimmer, MD, MSc
Associate Professor, Hematology & Medical Oncology Division
Breast Cancer Program Director
OHSU, Knight Cancer Institute
Portland, Oregon
Dr. Zimmer received her M.D. from the Universidade Federal of Rio Grande do Sul, Brazil and was fully trained in Internal Medicine and Clinical Oncology in Brazil, before moving to Brussels, Belgium to complete a Clinical Trials Development Fellowship with the Breast Cancer Group of the European Organization for Research and Treatment of Cancer (EORTC). After completion of that fellowship, Dr. Zimmer moved to the USA and repeated her residency in Internal Medicine at Washington Hospital Center, Washington, DC, and Clinical Oncology Fellowship at NIH. She was a physician-scientist at NCI/NIH for 7 years and focused her research in metastatic breast cancer, with a special interest in brain metastases and development of translational clinical trials. Since 2022, she is an Associate Professor of the Hematology & Medical Oncology Division and the Breast Cancer Program Director at OHSU / Knight Cancer Institute in Portland, OR.