Thomas Frist, Jr.

Thomas Frist Jr., a former Air Force flight surgeon, founded Hospital Corp. of America with his father in 1968.He took it public for the third time in 2011 after two management buyouts.HCA owns and operates 179 hospitals and 119 surgical centers in 20 U.S. states and London. Frist Jr. doesn't have an executive position at HCA, but his sons, Thomas Frist III and William Frist, are board members.