[1] The Ratanaraks are one of the 'old money' families in Thailand[2] and have substantial holdings in a number of Thai-based companies including Bank of Ayudhya (branded and commonly referred to as Krungsri Bank), Siam City Cement, Allianz Ayudhya Capital, Matching Maximize Studio, Media Studio, Grand Canal Land and Eastern Star Real Estate as well as holding a majority stake in Bangkok Broadcasting & Television Company (BBTV), which operates Thailand's Channel 7.
He is the grandson of Chuan Ratanarak, who founded Bank of Ayudhya (known today as Krungsri Bank), Siam City Cement (producer of the Insee Cement brand) and BBTV and was one of Thailand’s last great self-made business Titans.
He continued his primary and secondary education in England, earning a degree in Economics from University of London in 1996.
[4] After leaving university, Chachchon declined an offer to join Goldman Sachs and instead chose to work for the family.
"[5] The Ratanaraks are known to be very private; Forbes call them “a very secretive clan”,[6] and Chachchon has been described as “influential while staying below the radar”.