[2] On 19 January 2022, Sontirat formed a new party alongside Uttama Savanayana called Sang Anakot Thai (Building Thailand's Future).

[3] Sontirat born on 19 March 1960 in the area of Mueang Kanchanaburi district (now promoted into Dan Makham Tia district since the 1990s).

He holds a bachelor's degree in Material science and a Master of Business Administration from Chulalongkorn University.

He was a former member of the National Reform Council, later he was appointed as an advisor to the Minister of Industry in September 2015 by the advice of Deputy Prime Minister Somkid Jatusripitak and then was appointed as Deputy Minister of Commerce in December 2016 and Minister of Commerce in November 2017.

After he joined Palang Pracharath Party in the 2019 Thai general election, he was appointed by Prayut Chan-o-cha to the position of Minister of Energy until July 2020.