Dr. David L. Callender
President & CEO
Memorial Hermann Health System
In his role, Dr. Callender is responsible for leading and overseeing the System’s network of more than 270 hospitals, diagnostic and specialty centers, with more than 29,000 employees and 6,500 affiliated physicians. Since his appointment as President and CEO, he has guided the System in a new strategic direction focused on improving the health of Greater Houston and its surrounding communities, with a vision of creating healthier communities, now and for generations to come. Dr. Callender is committed to positioning this vision at the center of Memorial Hermann’s daily operations and overarching strategy, ensuring that the System advances the health of Houstonians by providing expanded access to care with an unmatched focus on quality, safety and service.
An ENT surgeon with expertise in head and neck cancers, Dr. Callender has proven to be a successful health care leader over the course of his career, achieving successes in forward-thinking strategic planning, improvements in delivering high-quality and high-value health care, fostering strong leadership development, engaging employees and enabling physician collaboration.
In addition to his work at Memorial Hermann, Dr. Callender currently serves on the Executive Committee of the Greater Houston Partnership and chairs the Greater Houston Partnership Health Care Advisory Committee. He is also a board member for the United Way of Greater Houston as well as the Houston division of the American Heart Association.
Dr. Callender received his medical degree from and completed his residency at Baylor College of Medicine. He also completed an oncology fellowship with The University of Texas MD Anderson Cancer Center and earned an MBA from the University of Houston.