He graduated from primary and secondary education at Amnuay Silpa School and holds a Bachelor of Business Administration from Curry College in the United States and holds a master's degree in political science (politics and government) from Chiang Mai University.

[2] On 2 December 2008, the Constitutional Court of Thailand passed a resolution to dissolve the People's Power Party and cut the political rights of the party executive committee for 5 years each.

During his disqualification period, he attended the senior executive course of the Capital Market Academy of the Stock Exchange of Thailand, in the 11th edition.

[6] In 2018, he was nominated as the President of the House of Representatives, and finished in second place behind Chuan Leekpai MP of the Democrat Party, 258 votes to 235, with one abstention.

Sompong has received the following royal decorations in the Honours System of Thailand: