Born On Your Day

billionaireentrepreneurTop tier

Prasert Prasarttong-Osoth

Entrepreneur · born March 22, 1933 · died 2026

$4Breported net worth as of April 2026 · Forbes

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About

Prasert Prasarttong-Osoth was a Thai billionaire businessman of Chinese descent, surgeon, and the founder and owner of Bangkok Dusit Medical Services, Thailand's largest private healthcare group, and a regional airline, Bangkok Airways.

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
April 2026$4BForbes · current

Sources

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Sources (3)

Also born on March 22

Prasert's most notable birthday twins

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Dmitry Pumpyansky

Entrepreneur

1964 · Russia

$2Bolder estimate, as of August 2022 · Forbes

Dmitry Aleksandrovich Pumpyansky is a Russian billionaire businessman. He was the owner and chairman of OAO TMK, a Russian global manufacturer of steel pipes for the oil and gas industry. As of August 2022, his net worth was estimated at US$2.0 billion.

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Sources (3)
Reese Witherspoon
entrepreneur

Reese Witherspoon

Entrepreneur

1976 · United States

Laura Jeanne Reese Witherspoon is an American actress and producer. She is the recipient of various accolades, including an Academy Award, a Primetime Emmy Award, and two Golden Globe Awards.

dtstuff9, CC BY-SA 2.0, via Wikimedia Commons

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Keegan-Michael Key
actor

Keegan-Michael Key

Actor

1971 · United States

Keegan-Michael Key is an American actor, comedian, producer, and writer. He and Jordan Peele co-created and co-starred in the sketch series Key & Peele (2012–2015) for which he received one Primetime Emmy Award from ten nominations.

Gage Skidmore from Surprise, AZ, United States of America, CC BY-SA 2.0, via Wikimedia Commons

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Sources (2)