JAMES LEPRINO

$3.6

BILLION  SELF-MADE SCORE: % SOURCE: CHEESE AGE: 81 RESIDENCE: INDIAN HILLS, CO PHILANTHROPY SCORE: Leprino started working at his father’s grocery store full-time after graduating high school in 1956. The arrival of larger, chain grocery stores drove them out of business two years later. Leprino noticed how much time his classmates spent in neighborhood pizzerias and decided to focus on mozzarella. He opened his new cheese business with $615. Today $3.5 billion (est. sales) Leprino Foods is the world’s largest maker of mozzarella and the exclusive cheese supplier for Domino’s and Pizza Hut.