Thanin Kraivichien is a Thai former judge, politician and law professor. He was the prime minister of Thailand between 1976 and 1977. He was then appointed to the Privy Council and became its president in 2016. With the death of Prem Tinsulanonda in May 2019, he become the oldest living former Thai Prime Minister.

The Privy Council of Thailand is a body of appointed advisors to the Monarchy of Thailand. The council, as the Constitution of Thailand stipulates, must be composed of no more than eighteen members. The council is led by the President of the Privy Council of Thailand, currently occupied by former Prime Minister Surayud Chulanont since 27 May 2019. The king alone appoints all members of the council. The council's offices are in the Privy Council Chambers, Phra Nakhon District, Bangkok.