Sarath Ratanavadi
$11.7B
Born
Jul 12, 1965
Age
60
Source of Wealth
Energy
Residence
Bangkok,
Citizenship
Thailand
Marital Status
Married
Children
0
Education
Bachelor of Science in Engineering, Chulalongkorn University; Master of Science in Engineering, University of Southern California
- Sarath Ratanavadi is CEO of Gulf Development, one of Thailand's largest conglomerates with interests in telecommunications and digital infrastructure.
- Gulf Development was established in 2025 following a merger between power producer Gulf Energy Development and telecom giant InTouch Holdings, the biggest shareholder of Advanced Info Service (AIS).
- In 2024, Gulf Energy's joint venture with Binance launched a crypto exchange in Thailand.
- In May 2025, Gulf bought a stake in Kasikornbank and become the fourth largest shareholder of Thailand's third largest bank by assets.
- Gulf's joint venture with Singtel and AIS to set up data centers in Thailand is expected to start operations in 2025.
- He went to college in Bangkok, then moved to the U.S. for a masters degree in engineering.
- Sarath is the former managing director of Thailand Golf Championship.
- Gulf Energy has a 70:30 joint venture with state-owned oil and gas firm PTT to build a $1.3 billion LNG terminal and port on Thailand's east coast.
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