BERT BEVERIDGE $4.2 BILLION  SELF-MADE SCORE: * SOURCE: VODKA AGE: 57 RESIDENCE: AUSTIN, TX

PHILANTHROPY SCORE: N.A.

Beveridge’s company Tito’s Handmade Vodka is one of the fastest-growing spirits brands in the U.S. Tito’s sold an estimated 88 million bottles of vodka in 2018, up nearly 40% from 2017. After graduating from college with degrees in geology and geophysics, he started working in the oil business, including as a well-site geologist.