Mass General Brigham is a not-for-profit, integrated health care system in Boston, Massachusetts. Founded by Brigham and Women’s Hospital and Massachusetts General Hospital—two of the nation’s leading academic medical centers—Mass General Brigham includes community and specialty hospitals, a managed care organization, a physician network, community health centers, home care and other health related services. Mass General Brigham is committed to the community, and dedicated to enhancing patient care, teaching, and research in service to our patients and their families. Mass General Brigham is the largest private employer in Massachusetts, with approximately 74,000 employees, including physicians, nurses, scientists, and caregivers. Mass General Brigham institutions maintain a total research budget of more than $1.7 billion, and Massachusetts General Hospital (MGH) and Brigham and Women’s Hospital (BWH) are the largest private hospital recipients of National Institutes of Health funding in the nation. Mass General Brigham offers one of the most robust and competitive medical educational programs in the country, with more than 200 residency and fellowship programs, where physicians-in-training routinely rotate among academic medical centers, community and specialty hospitals.