Born On Your Day

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Alan Trefler

Entrepreneur · born March 10, 1956

$4.2Bolder estimate, as of 2025 · Forbes

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About

Alan N. Trefler is an American billionaire businessman and chess master best known as the chief executive officer (CEO) of Pegasystems, a multinational software company he founded in 1983.

Adapted from Wikipedia (CC BY-SA 4.0).

Reported wealth

Each figure is a dated estimate from the publisher shown; wealth changes, and nothing here is live.

As ofEstimateSource
2025$4.2BForbes · current

Sources

Every fact on this page traces to one of these.

Also born on March 10

Alan's most notable birthday twins

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Sources (2)