Chaleo Yoovidhya or Chaliao Yuwitthaya (born circa 1932) is a Thai Chinese

Thai Chinese

The Thai Chinese are an overseas Chinese community who live in Thailand. Thailand is home to the largest, oldest, most prominent, and most integrated overseas Chinese community in the world with a population of approximately 9.5 million people...

 businessperson and is listed as the richest person in Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

, with an estimated net worth of $4 billion. He owns 49% of Red Bull

Red Bull

Red Bull is an energy drink sold by the Austrian Red Bull GmbH, created in 1987 by the Austrian entrepreneur Dietrich Mateschitz. In terms of market share, Red Bull is the most popular energy drink in the world, with 3 billion cans sold each year. Dietrich Mateschitz was inspired by an already...

, his son named Chalerm Yoovidhya owns 2%. The remaining 49% is owned by Dietrich Mateschitz

Dietrich Mateschitz

Dietrich Mateschitz is an Austrian businessman who co-founded the Red Bull energy drink company and holds 49 per cent of the company's shares.-Biography:...

 who launched the Red Bull energy drink worldwide. Dietrich Mateschitz joined forces with Yoovidhya in 1982. Yoovidhya provided the formula and Mateschitz showed it to the world and both have become Billionaires as a result.

Yoovidhya also owns TC Pharmaceuticals, a manufacturer of energy drinks in Thailand, and is part owner of Piyavate Hospital, a private hospital in Thailand.