William Harrison Frist is an American physician, businessman, conservationist and policymaker who served as a United States Senator from Tennessee from 1995 to 2007. A member of the Republican Party, he also served as Senate Majority Leader from 2003 to 2007. Born in Nashville, Tennessee, Frist studied government and health care policy at Princeton University and earned a Doctor of Medicine degree from Harvard Medical School. He trained as a cardiothoracic transplant surgeon at Massachusetts General Hospital and Stanford University School of Medicine, and later founded the Vanderbilt Transplant Center. In 1994, he defeated incumbent Democratic Senator Jim Sasser.

HCA Healthcare, Inc. is an American for-profit operator of health care facilities that was founded in 1968. It is based in Nashville, Tennessee, and, as of May 2020, owned and operated 186 hospitals and approximately 2,000 sites of care, including surgery centers, freestanding emergency rooms, urgent care centers and physician clinics in 21 states and the United Kingdom. As of 2023, HCA Healthcare is ranked #66 on the Fortune 500 rankings of the largest United States corporations by total revenue.