46. DONNA CARPENTER

$700 million  SOURCE: Snowboards AGE: 57 • RESIDENCE: Stowe, VT SELF-MADE SCORE:  Carpenter is the owner of Burton, the snowboarding gear and apparel giant she cofounded in 1977 alongside her husband, Jake Burton Carpenter (d. 2019). The Burlington, Vermont–based company has estimated revenue of $300 million, nearly 1,000 employees—and more than 30% of the global snowboarding market. Carpenter stepped down as co-CEO in 2020 and now chairs the company.