Sarath Ratanavadi

Sarath Ratanavadi (#156)

Global Rank #156

Country Rank #1

Country Thailand

Sarath Ratanavadi is listed among the world billionaires tracked by Iconic Billionaires.

$ 18 B
Energy
Thailand
M
60 Years

Snapshot

Quick Facts

Global Rank #156

Country Rank #1

Net Worth $17.7B

Previous Worth $17.9B

Worth Change -$0.2B

Country Thailand

Industry Energy

Age 60 Years

Gender M

Worth As Of May 4, 2026

Residence Bangkok, Thailand

Citizenship Thailand

World Billionaires List Thailand Billionaires Energy

Profile Data

Personal Stats

Age 60

Source Of Wealth Energy, Self Made

Residence Bangkok, Thailand

Citizenship Thailand

Marital Status Married

Education Bachelor of Science in Engineering, Chulalongkorn University; Master of Science in Engineering, University of Southern California

Net Worth Change -$0.2B -1.1% from previous worth

Previous Net Worth $17.9B

Current Net Worth $17.7B

Worth as of May 4, 2026

About Me

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. Gulf bought a stake in Kasikornbank in May 2025 and continued to raise its shares to become the second 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.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to Sarath Ratanavadi.

#157

Billionaires (2026)

Thailand's 50 Richest (2025)

Insights

Did You Know?

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.

Wealth Growth

Net Worth Growth Over Time

Tracking Sarath Ratanavadi's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth

Period Change Worth Movement

Current Net Worth: $17.7B (May 4, 2026)