MARIAN ILITCH

$3.7

BILLION  SELF-MADE SCORE: ( SOURCE: LITTLE CAESARS AGE: 86 RESIDENCE: BINGHAM FARMS, MI PHILANTHROPY SCORE: The Michigan native worked at discount store SS Kresge in Dearborn and then as a Delta reservation clerk in Detroit prior to opening the first Little Caesars pizza shop with her husband Mike (d. 2017) in 1959. The chain is now worth an estimated $2.9 billion. The family is spearheading the development of The District Detroit, a $1.4 billion project that includes new Little Caesars Arena and a new headquarters for the company.