324. Kenneth Feld & family
$2.5 billion Self-made Score: % Source: live entertainment age: 69 residence: tampa B.S., Boston u. ’70 The Greatest Show on Earth has ended: Feld’s live-entertainment company shut down its Ringling Bros. circus in May after 146 years of performances. Ticket sales had declined after Ringling Bros. removed elephants from its routine in May 2016. Feld Entertainment’s more successful offerings include Disney on Ice, Marvel Universe Live, Sesame Street Live and Monster Jam truck shows.