Prasert Prasarttong-Osoth

Prasert Prasarttong-Osoth (Thai: ปราเสริฐ ปราสาททองโอสถ, born 22 March 1933) is a Thai billionaire businessman of Chinese descent, former surgeon, and the founder and owner of Bangkok Dusit Medical Services, Thailand's largest private healthcare group, and a regional airline, Bangkok Airways.^[2] As of August 2018, Forbes estimated his net worth at US$3.5 billion.^[3]

Prasert Prasarttong-Osoth
Born	(1933-03-22) 22 March 1933 (age 92)[1] Bangkok, Siam
Education	Faculty of Medicine Siriraj Hospital, Mahidol University
Occupation	Businessman
Known for	Founder and owner, Bangkok Dusit Medical Services Owner, Bangkok Airways
Spouse	Wanli Posayachinda
Children	5

The building of Prasarttong-Osoth Ltd. in Bangkok

Early and personal life

Prasert received a bachelor's degree from Faculty of Medicine Siriraj Hospital, Mahidol University, after which he qualified as a medical doctor.^[2]

He is married with five children and lives in Bangkok.^[3] In January 2019, the Securities and Exchange Commission of Thailand fined him and his daughter 500 million baht for insider trading of Bangkok Airways shares.^[4]