Pornchai Saosri made his first appearance in the public news when in 2009 he measured 7 ft 6 in (228cm).
2012
He next appeared in 2012 when he measured 7 ft 6.6 in (230cm).
2013
His next news recorded appearance was in 2013 when he grew to 8 ft 5.2 in (257cm) which he measured for his id card renewal.
Although his claim wasn't recognized by Guinness World Records, he was taller than the official record holder Sultan Kösen by 2.2 inches (5.5cm) which made him the tallest living human at the time.
2015
Pornchai Saosri (1989 – November 8, 2015) was a Thai man who claimed to be 8 ft 9.9 in (2.69m) but this is not verified by Guinness World Records.
He was last measured to be around 8 feet 5.2 inches.
He died in 2015 aged 26 of hypertension.
By that point, he was claimed (unverified) to be 8 ft 9.9 in (269cm) and weighed 153 kg.
Despite the inflation of his height number and the lack of information during his life, he is the 8th tallest person in recorded history.