Billionaire Thai Hospital Chain Owner Prasert Dies at 93

Prasert Prasarttong-Osoth — Prasert Prasarttong-OsothSource: Bangkok Hospital

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By Anuchit Nguyen

April 22, 2026 at 5:02 AM UTC

Prasert Prasarttong-Osoth, a Thai billionaire and major shareholder of the country’s largest private hospital operator, Bangkok Dusit Medical Services Pcl, has died. He was 93.

Prasert passed away on Tuesday, according to Bangkok Dusit Medical’s website. Prasert’s family has a net worth of $3.6 billion, according to Bloomberg Billionaires Index.