Pao Sarasin graduated from Vajiravudh College, a boarding school in Bangkok.

[2] He then moved to the United States, where he received a bachelor's degree in chemistry from Johns Hopkins University and a second bachelor's degree from the University of California in criminology.

[2] He served as the Chief of the force's Office of the Narcotics Control Board from 1978 until 1983.

[1][2] During his later life, Sarasin served as the council presidents of both Mae Fah Luang University in Chiang Rai province and Khon Kaen University in Khon Kaen province.

[1] A royal bathing rite ceremony for Sarasin was held at the Wat Benchamabophit with Princess Maha Chakri Sirindhorn in attendance representing the royal family.