Sarath Ratanavadi

Sarath Ratanavadi (Thai: สารัชถ์ รัตนาวะดี, RTGS: Sarat Rattanawadee) is a Thai engineer and billionaire businessman who is the founder and chief executive officer of Gulf Development, which operates in sectors such as power generation, telecommunications, and digital infrastructure. He is often referred to as Thailand's "energy king". As of 2025, Ratanavadi's net worth was estimated at around US$12 billion. source: https://en.wikipedia.org/wiki/Sarath_Ratanavadi