2.JUDY FAULKNER

$6.7 billion

SOURCE: Health IT

AGE: 78 • RESIDENCE: Madison, WI

SELF-MADE SCORE: 8

Her medical records company, Epic Systems, booked $3.8 billion in 2021 revenue, up 13% from 2020. The Verona, Wisconsin–based business rolled out a Covid-19 vaccine passport tool now available to 106 million patients who use its MyChart software. Faulkner owns 47% of the business she founded in her basement in 1979. Known for being tight-lipped, the company finally joined Twitter last year using the @EpicShares handle.