7. LYNDA RESNICK

$4 billion

SOURCE: Agriculture

AGE: 79 • RESIDENCE: Beverly Hills, CA

SELF-MADE SCORE: 8

The marketing chief and co-owner of agricultural giant Wonderful Co. presides over a $5 billion (sales) operation that grows and sells pistachios, almonds, pomegranates and mandarin oranges from 135,000 acres of orchards in Texas, Mexico and California’s Central Valley. The California Institute of Technology broke ground on its 79,500-square-foot Resnick Sustainability Center, funded by a $750 million pledge from the Resnicks, in May.