Brendan G. Carr is Chief Executive Officer of Mount Sinai Health System and holds the Kenneth L. Davis, MD, Distinguished Chair. He oversees the health system’s strategy, operations, and business development, including the Icahn School of Medicine at Mount Sinai, Mount Sinai Phillips School of Nursing, nationally and regionally ranked hospitals, and more than 400 ambulatory locations and physician practices. He guides research, education, and clinical care initiatives while remaining clinically active in Mount Sinai’s Emergency Department.
A physician-scientist with more than two decades of experience in emergency medicine, Carr has held faculty appointments at the Icahn School of Medicine at Mount Sinai, the University of Pennsylvania Perelman School of Medicine, and Thomas Jefferson University Sidney Kimmel Medical College. He has also served in senior policy and advisory roles within the U.S. Department of Health and Human Services, contributing to national efforts to improve health outcomes and strengthen preparedness for public health threats.
The 100 CEOs featured here reflect the diversity and complexity of modern oncology leadership. In 2025, some lead the world’s largest cancer institutions; others guide specialized societies or emerging innovators. What unites them is responsibility: for millions of patients, for the integrity of science, and for the future direction of cancer care globally.
This list is not a celebration of power, but a recognition of stewardship, accountability, and impact – and of the leaders whose choices continue to shape the fight against cancer. For the many deserving individuals not mentioned in this list, we will continue to acknowledge, honor and elevate your voices in our daily publications from across the world.
See the full list of The 100 Influential CEOs in Oncology in 2025 and stay tuned for other special category nominations.
