C. DEAN METROPOULOS

$2.5

BILLION  SELF-MADE SCORE: * SOURCE: INVESTMENTS AGE: 73 RESIDENCE: PALM BEACH, FL PHILANTHROPY SCORE: N.A. The man known for saving the iconic Twinkies and Hostess brands started a small summer landscaping company while he was in 11th grade. He went on to join lighting and precision-materials company Sylvania during his junior year at Babson College. Through his Metropoulos & Co., he’s made his fortune turning around and selling such brands as Chef Boyardee, Pabst Blue Ribbon and Bumble Bee Tuna. The Greekborn entrepreneur, along with private equity titan Alec Gores (No. 388), took blank-check company Gores Metropoulos public in February.