Petch Osathanugrah. BRENT LEWIN FOR FORBES ASIA. Petch Osathanugrah, former CEO of Thailand’s leading energy drink firm, Osotspa, passed away this week at age 69.He died in his sleep. Petch ...

Last October, Petch led 128-year-old Osotspa in the country’s biggest IPO of the year, raising a $464 million war chest for expansion from a 20% stake that valued the company at $2.3 billion.