NET WORTH:

$3 billion 7.1%

LAST YEAR: $2.8 billion

AGE: 90

RESIDENCE: Los Angeles

SOURCE OF WEALTH: Investments

THE MONEY: Major holdings include 40 percent interest in Dole Food Co. and closely held real estate developer Castle & Cooke Inc. Dole stock up 12 percent from last year. Also owns large portfolio of commercial and residential real estate.

BUZZ: Self-made billionaire oversees vast network of holdings including Dole and Castle & Cooke. Sold 98 percent stake in Hawaiian island Lanai, largest privately owned island in the United States, to Oracle’s Larry Ellison last year for reported $500 million. Kept seven-bedroom home, rare orchids and right to build wind farm there. Opened his 2,200-acre Thousand Oaks estate this year for Ventura Farms Concours car show. Says he wants to live to 125 and adopted healthy eating style after wife’s death from cancer. Published book about his eating habits in 2010. Majority investor in cancer drug developer NovaRx, which is in Phase 3 clinical trials. Son Justin is NovaRx’s chief executive. David owns 350-acre research campus near Charlotte, N.C., that features 311,000-square-foot laboratory to research health. Also owns 14,000-square-foot home on 137 acres near lab. Hobbies include reading, arts, poetry and horticulture. Breeder of prized Arabian horses, has an orchid collection, and avid collector of art and antiques.

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