Jacqueline Mars owns an estimated one-third of Mars, the world’s largest candymaker, founded by her grandfather. She worked for the company for nearly 20 years and served on the board until 2016. Her son Stephen Badger is on Mars’ board of directors. Mars serves on the board of the National Archives and was formerly on the board of the Washington National Opera. Her brother John owns an estimated third of Mars; her late brother Forrest Jr’s. four daughters own the rest.