Mass General Brigham oncology surgeon Elizabeth A. Mittendorf appointed to lead American Society of Clinical Oncology

The American Society of Clinical Oncology (ASCO) has elected Elizabeth A. Mittendorf, MD, PhD, MHCM, FASCO, the Robert and Karen Hale Endowed Chair in Surgical Oncology and vice chair for Research in the Department of Surgery at Brigham and Women's Hospital, a founding member of Mass General Brigham, to lead as its President beginning in June 2026. Dr. Mittendorf, a long-time ASCO member and volunteer, will take office as President-Elect immediately following the ASCO Annual Business Meeting in Chicago on June 2, 2025.

Dr. Mittendorf is also the director of the Breast Immuno-Oncology program, co-leader of the Parker Institute for Cancer Immunotherapy at the Dana-Farber Cancer Institute, and co-leader of the Breast Program for the Dana-Farber/Harvard Cancer Center.

“I’m honored and humbled by the opportunity to serve as President of ASCO and help guide this multi-faceted organization as we work to conquer cancer through research, education, and promotion of the highest-quality, equitable patient care," Dr. Mittendorf said. “I look forward to supporting this global membership and our collective efforts to improve outcomes for our patients.”

Dr. Mittendorf’s extensive volunteer history with ASCO includes serving on the ASCO Board of Directors from 2019-2023, when she also served as the Society Treasurer from 2022-2023. She is also a past chair of the Conquer Cancer Grants and Awards Selection Committee, and past member of the Annual Meeting Scientific Program Committee and Best of ASCO Planning Committee.