Chirayu Isarangkun Na Ayuthaya

Chirayu Isarangkun Na Ayuthaya (, RTGS|Itsarangkun na Ayutthaya, IPA-th|t͡ɕìʔraːjúʔ ʔìtsàʔraːŋkuːn náʔ ʔàʔjúttʰáʔjaː; born 12 November 1943) is a Thai economist and court official. He has been the Director-General of the Crown Property Bureau and Grand Chamberlain of the Bureau of the Royal Household since 1987. Chirayu is an avowed proponent of the "sufficiency economy" philosophy that is promoted by King Bhumibol Adulyadej.

Background and education
Chirayu was born in Bangkok. The Isarangkun family is a distant side branch of the ruling Chakri Dynasty. The particle na Ayutthaya indicates this distant royal ancestry. Chirayu's father Charunphan Isarangkun Na Ayuthaya was a diplomat, foreign minister, and member of King Bhumibol's Privy Council. Chirayu visited Bangkok's prestigious all-boys Saint Gabriel's College, before moving to the King's College School in Wimbledon, London, where he acquired his A-levels in 1960. Subsequently, he studied economics at the London School of Economics, receiving an Honours degree in 1964. He took a doctoral degree from the Australian National University in 1971.

Career
From 1976 to 1979, Chirayu was the dean of the faculty of economics of the government-run National Institute of Development Administration (NIDA). Chirayu became Minister of Industry under Prime Minister Prem Tinsulanonda in 1985, and Minister to the Office of Prime Minister one year later. After he had taken a stand for a controversial tantalum factory in Phuket Province that was burnt down by furious locals who were afraid of hazardous wastes, Chirayu was confronted with allegations of corruption, that could however not been proven.

Source @ Wikipedia