57. Thomas Frist Jr. & family
the quarterback on his state-champion montgomery bell academy high school football team credits his coach with teaching him the importance of putting together the right team. “you always win when you surround yourself with good people,” says frist, who founded hca healthcare with his father in 1968 after a stint as an air force flight surgeon. he is no longer an executive at the company, but his sons William and thomas iii sit on the board.